12256543652246 has 16 divisors (see below), whose sum is σ = 18393885972000. Its totient is φ = 6125248911360.

The previous prime is 12256543652237. The next prime is 12256543652261. The reversal of 12256543652246 is 64225634565221.

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, 43497191 + ... + 43778061.

It is an arithmetic number, because the mean of its divisors is an integer number (1149617873250).

Almost surely, 2^{12256543652246} is an apocalyptic number.

12256543652246 is a deficient number, since it is larger than the sum of its proper divisors (6137342319754).

12256543652246 is a wasteful number, since it uses less digits than its factorization.

12256543652246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291559.

The product of its digits is 20736000, while the sum is 53.

The spelling of 12256543652246 in words is "twelve trillion, two hundred fifty-six billion, five hundred forty-three million, six hundred fifty-two thousand, two hundred forty-six".