12057727236 has 24 divisors (see below), whose sum is σ = 28733308800. Its totient is φ = 3933726432.

The previous prime is 12057727229. The next prime is 12057727247. The reversal of 12057727236 is 63272775021.

It is a happy number.

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, 10688911 + ... + 10690038.

It is an arithmetic number, because the mean of its divisors is an integer number (1197221200).

Almost surely, 2^12057727236 is an apocalyptic number.

It is an amenable number.

12057727236 is an abundant number, since it is smaller than the sum of its proper divisors (16675581564).

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

12057727236 is a wasteful number, since it uses less digits than its factorization.

12057727236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21379003 (or 21379001 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 12057727236 in words is "twelve billion, fifty-seven million, seven hundred twenty-seven thousand, two hundred thirty-six".