12256133604 has 48 divisors (see below), whose sum is σ = 33597238080. Its totient is φ = 3428288640.

The previous prime is 12256133587. The next prime is 12256133627. The reversal of 12256133604 is 40633165221.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 3569419 + ... + 3572850.

It is an arithmetic number, because the mean of its divisors is an integer number (699942460).

Almost surely, 2^12256133604 is an apocalyptic number.

It is an amenable number.

12256133604 is an abundant number, since it is smaller than the sum of its proper divisors (21341104476).

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

12256133604 is a wasteful number, since it uses less digits than its factorization.

12256133604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142300 (or 7142298 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 12256133604 its reverse (40633165221), we get a palindrome (52889298825).

The spelling of 12256133604 in words is "twelve billion, two hundred fifty-six million, one hundred thirty-three thousand, six hundred four".