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20122232120000 = 2654717085293
BaseRepresentation
bin1001001001101000100100…
…11111110110001011000000
32122020122222221202120011022
410210310102133312023000
510114140312410320000
6110444005324405012
74144532445631523
oct444642237661300
978218887676138
1020122232120000
11645887749aa2a
12230b9a69a6768
13b2c697a6766a
144d7cc7c02bba
1524d65aca0585
hex124d127f62c0

20122232120000 has 140 divisors (see below), whose sum is σ = 50599372030416. Its totient is φ = 7935527040000.

The previous prime is 20122232119939. The next prime is 20122232120009. The reversal of 20122232120000 is 2123222102.

It is not an unprimeable number, because it can be changed into a prime (20122232120009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 702647 + ... + 6382646.

Almost surely, 220122232120000 is an apocalyptic number.

20122232120000 is a gapful number since it is divisible by the number (20) 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 20122232120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25299686015208).

20122232120000 is an abundant number, since it is smaller than the sum of its proper divisors (30477139910416).

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

20122232120000 is an frugal number, since it uses more digits than its factorization.

20122232120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085396 (or 7085371 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20122232120000 its reverse (2123222102), we get a palindrome (20124355342102).

The spelling of 20122232120000 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-two million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 71 80 100 125 142 160 200 250 284 320 355 400 500 568 625 710 800 1000 1136 1250 1420 1600 1775 2000 2272 2500 2840 3550 4000 4544 5000 5680 7100 8000 8875 10000 11360 14200 17750 20000 22720 28400 35500 40000 44375 56800 71000 88750 113600 142000 177500 284000 355000 568000 710000 1420000 2840000 7085293 14170586 28341172 35426465 56682344 70852930 113364688 141705860 177132325 226729376 283411720 354264650 453458752 503055803 566823440 708529300 885661625 1006111606 1133646880 1417058600 1771323250 2012223212 2267293760 2515279015 2834117200 3542646500 4024446424 4428308125 5030558030 5668234400 7085293000 8048892848 8856616250 10061116060 11336468800 12576395075 14170586000 16097785696 17713232500 20122232120 25152790150 28341172000 32195571392 35426465000 40244464240 50305580300 56682344000 62881975375 70852930000 80488928480 100611160600 125763950750 141705860000 160977856960 201222321200 251527901500 283411720000 314409876875 402444642400 503055803000 628819753750 804889284800 1006111606000 1257639507500 2012223212000 2515279015000 4024446424000 5030558030000 10061116060000 20122232120000