12312156238833 has 32 divisors (see below), whose sum is σ = 18344881170432. Its totient is φ = 7281084571200.

The previous prime is 12312156238813. The next prime is 12312156238849. The reversal of 12312156238833 is 33883265121321.

It is not a de Polignac number, because 12312156238833 - 2¹² = 12312156234737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12312156238813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11477866 + ... + 12504627.

It is an arithmetic number, because the mean of its divisors is an integer number (573277536576).

Almost surely, 2^{12312156238833} is an apocalyptic number.

It is an amenable number.

12312156238833 is a deficient number, since it is larger than the sum of its proper divisors (6032724931599).

12312156238833 is a wasteful number, since it uses less digits than its factorization.

12312156238833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23982885.

The product of its digits is 1244160, while the sum is 48.

The spelling of 12312156238833 in words is "twelve trillion, three hundred twelve billion, one hundred fifty-six million, two hundred thirty-eight thousand, eight hundred thirty-three".