12265115623456 has 48 divisors (see below), whose sum is σ = 25479924019200. Its totient is φ = 5800015564288.

The previous prime is 12265115623447. The next prime is 12265115623499. The reversal of 12265115623456 is 65432651156221.

It is a super-2 number, since 2×12265115623456² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93555616 + ... + 93686623.

It is an arithmetic number, because the mean of its divisors is an integer number (530831750400).

Almost surely, 2^{12265115623456} is an apocalyptic number.

12265115623456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12265115623456 is an abundant number, since it is smaller than the sum of its proper divisors (13214808395744).

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

12265115623456 is a wasteful number, since it uses less digits than its factorization.

12265115623456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187242361 (or 187242353 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 49.

Adding to 12265115623456 its reverse (65432651156221), we get a palindrome (77697766779677).

The spelling of 12265115623456 in words is "twelve trillion, two hundred sixty-five billion, one hundred fifteen million, six hundred twenty-three thousand, four hundred fifty-six".