12224578157004 has 48 divisors (see below), whose sum is σ = 28551267763200. Its totient is φ = 4070966745216.

The previous prime is 12224578156993. The next prime is 12224578157081. The reversal of 12224578157004 is 40075187542221.

12224578157004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12224578157004² (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 15 ways as a sum of consecutive naturals, for example, 301382077 + ... + 301422635.

It is an arithmetic number, because the mean of its divisors is an integer number (594818078400).

Almost surely, 2^{12224578157004} is an apocalyptic number.

It is an amenable number.

12224578157004 is an abundant number, since it is smaller than the sum of its proper divisors (16326689606196).

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

12224578157004 is a wasteful number, since it uses less digits than its factorization.

12224578157004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63942 (or 63940 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The spelling of 12224578157004 in words is "twelve trillion, two hundred twenty-four billion, five hundred seventy-eight million, one hundred fifty-seven thousand, four".