12057623436 has 12 divisors (see below), whose sum is σ = 28134454712. Its totient is φ = 4019207808.

The previous prime is 12057623429. The next prime is 12057623453. The reversal of 12057623436 is 63432675021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12057623394 and 12057623403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502400965 + ... + 502400988.

Almost surely, 2^12057623436 is an apocalyptic number.

It is an amenable number.

12057623436 is an abundant number, since it is smaller than the sum of its proper divisors (16076831276).

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

12057623436 is a wasteful number, since it uses less digits than its factorization.

12057623436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004801960 (or 1004801958 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 12057623436 in words is "twelve billion, fifty-seven million, six hundred twenty-three thousand, four hundred thirty-six".