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12220110112 = 25789612967
BaseRepresentation
bin10110110000110000…
…00001010100100000
31011112122021220122211
423120120001110200
5200011322010422
65340331211504
7611553136120
oct133030012440
934478256584
1012220110112
115200a2a661
1224505a6b94
1311c99403b2
1483cd56c80
154b7c4d577
hex2d8601520

12220110112 has 48 divisors (see below), whose sum is σ = 27804228480. Its totient is φ = 5178336768.

The previous prime is 12220110043. The next prime is 12220110127. The reversal of 12220110112 is 21101102221.

It is a super-2 number, since 2×122201101122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12220110092 and 12220110101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286548 + ... + 326419.

It is an arithmetic number, because the mean of its divisors is an integer number (579254760).

Almost surely, 212220110112 is an apocalyptic number.

It is an amenable number.

12220110112 is an abundant number, since it is smaller than the sum of its proper divisors (15584118368).

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

12220110112 is an equidigital number, since it uses as much as digits as its factorization.

12220110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613073 (or 613065 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220110112 its reverse (21101102221), we get a palindrome (33321212333).

The spelling of 12220110112 in words is "twelve billion, two hundred twenty million, one hundred ten thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 32 56 89 112 178 224 356 623 712 1246 1424 2492 2848 4984 9968 19936 612967 1225934 2451868 4290769 4903736 8581538 9807472 17163076 19614944 34326152 54554063 68652304 109108126 137304608 218216252 381878441 436432504 763756882 872865008 1527513764 1745730016 3055027528 6110055056 12220110112