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122231000000 = 2656122231
BaseRepresentation
bin111000111010110001…
…0010000101111000000
3102200111111012011011002
41301311202100233000
54000312114000000
6132052510311132
711554666233404
oct1616542205700
9380444164132
10122231000000
114792423847a
121b832ab84a8
13b6ac480c05
145cb7773104
1532a5c978d5
hex1c75890bc0

122231000000 has 98 divisors (see below), whose sum is σ = 303188775384. Its totient is φ = 48892000000.

The previous prime is 122230999993. The next prime is 122231000011. The reversal of 122231000000 is 132221.

It is a happy number.

It is a super-2 number, since 2×1222310000002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 938885 + ... + 1061115.

Almost surely, 2122231000000 is an apocalyptic number.

122231000000 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 122231000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151594387692).

122231000000 is an abundant number, since it is smaller than the sum of its proper divisors (180957775384).

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

122231000000 is an frugal number, since it uses more digits than its factorization.

122231000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122273 (or 122238 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 122231000000 its reverse (132221), we get a palindrome (122231132221).

The spelling of 122231000000 in words is "one hundred twenty-two billion, two hundred thirty-one million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 15625 20000 25000 31250 40000 50000 62500 100000 122231 125000 200000 244462 250000 488924 500000 611155 977848 1000000 1222310 1955696 2444620 3055775 3911392 4889240 6111550 7822784 9778480 12223100 15278875 19556960 24446200 30557750 39113920 48892400 61115500 76394375 97784800 122231000 152788750 195569600 244462000 305577500 381971875 488924000 611155000 763943750 977848000 1222310000 1527887500 1909859375 2444620000 3055775000 3819718750 4889240000 6111550000 7639437500 12223100000 15278875000 24446200000 30557750000 61115500000 122231000000