12213606375144 has 128 divisors (see below), whose sum is σ = 37081158220800. Its totient is φ = 3708115752960.

The previous prime is 12213606375137. The next prime is 12213606375149. The reversal of 12213606375144 is 44157360631221.

12213606375144 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 3 + 6 + 0 + 637 + 5 + 1 + 4 + 4 = 666.

It is a super-2 number, since 2×12213606375144² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12213606375144.

It is not an unprimeable number, because it can be changed into a prime (12213606375149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53533677 + ... + 53761340.

It is an arithmetic number, because the mean of its divisors is an integer number (289696548600).

Almost surely, 2^{12213606375144} is an apocalyptic number.

It is an amenable number.

12213606375144 is an abundant number, since it is smaller than the sum of its proper divisors (24867551845656).

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

12213606375144 is a wasteful number, since it uses less digits than its factorization.

12213606375144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107295080 (or 107295070 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 12213606375144 in words is "twelve trillion, two hundred thirteen billion, six hundred six million, three hundred seventy-five thousand, one hundred forty-four".