12256740045052 has 24 divisors (see below), whose sum is σ = 21948474111872. Its totient is φ = 5985752094000.

The previous prime is 12256740045031. The next prime is 12256740045083. The reversal of 12256740045052 is 25054004765221.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent 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, 10612177 + ... + 11710327.

Almost surely, 2^{12256740045052} is an apocalyptic number.

It is an amenable number.

12256740045052 is a deficient number, since it is larger than the sum of its proper divisors (9691734066820).

12256740045052 is a wasteful number, since it uses less digits than its factorization.

12256740045052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163089 (or 1163087 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 43.

The spelling of 12256740045052 in words is "twelve trillion, two hundred fifty-six billion, seven hundred forty million, forty-five thousand, fifty-two".