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122020101100000 = 25558314701217
BaseRepresentation
bin11011101111101000000100…
…110010000001000111100000
3121000001000012122101120021201
4123233220010302001013200
5111443134131340200000
61111303132142130544
734462442566212265
oct3357500462010740
9530030178346251
10122020101100000
1135974486016a34
1211828390b80a54
1353115a52a604c
14221bb3940126c
15e190521be96a
hex6efa04c811e0

122020101100000 has 144 divisors (see below), whose sum is σ = 303882291132336. Its totient is φ = 48219988480000.

The previous prime is 122020101099983. The next prime is 122020101100021. The reversal of 122020101100000 is 1101020221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 122020101100000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949392 + ... + 15650608.

It is an arithmetic number, because the mean of its divisors is an integer number (2110293688419).

Almost surely, 2122020101100000 is an apocalyptic number.

122020101100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122020101100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151941145566168).

122020101100000 is an abundant number, since it is smaller than the sum of its proper divisors (181862190032336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122020101100000 is an frugal number, since it uses more digits than its factorization.

122020101100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14701335 (or 14701307 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 122020101100000 its reverse (1101020221), we get a palindrome (122021202120221).

The spelling of 122020101100000 in words is "one hundred twenty-two trillion, twenty billion, one hundred one million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 83 100 125 160 166 200 250 332 400 415 500 625 664 800 830 1000 1250 1328 1660 2000 2075 2500 2656 3125 3320 4000 4150 5000 6250 6640 8300 10000 10375 12500 13280 16600 20000 20750 25000 33200 41500 50000 51875 66400 83000 100000 103750 166000 207500 259375 332000 415000 518750 830000 1037500 1660000 2075000 4150000 8300000 14701217 29402434 58804868 73506085 117609736 147012170 235219472 294024340 367530425 470438944 588048680 735060850 1176097360 1220201011 1470121700 1837652125 2352194720 2440402022 2940243400 3675304250 4880804044 5880486800 6101005055 7350608500 9188260625 9761608088 11760973600 12202010110 14701217000 18376521250 19523216176 24404020220 29402434000 30505025275 36753042500 39046432352 45941303125 48808040440 58804868000 61010050550 73506085000 91882606250 97616080880 122020101100 147012170000 152525126375 183765212500 195232161760 244040202200 294024340000 305050252750 367530425000 488080404400 610100505500 735060850000 762625631875 976160808800 1220201011000 1470121700000 1525251263750 2440402022000 3050502527500 3813128159375 4880804044000 6101005055000 7626256318750 12202010110000 15252512637500 24404020220000 30505025275000 61010050550000 122020101100000