312242264563121 has 4 divisors (see below), whose sum is σ = 328676067961200. Its totient is φ = 295808461165044.

The previous prime is 312242264563081. The next prime is 312242264563153. The reversal of 312242264563121 is 121365462242213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312242264563121 - 2¹⁰ = 312242264562097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312242264563921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216901699011 + ... + 8216901699048.

It is an arithmetic number, because the mean of its divisors is an integer number (82169016990300).

Almost surely, 2^{312242264563121} is an apocalyptic number.

It is an amenable number.

312242264563121 is a deficient number, since it is larger than the sum of its proper divisors (16433803398079).

312242264563121 is a wasteful number, since it uses less digits than its factorization.

312242264563121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433803398078.

The product of its digits is 829440, while the sum is 44.

The spelling of 312242264563121 in words is "three hundred twelve trillion, two hundred forty-two billion, two hundred sixty-four million, five hundred sixty-three thousand, one hundred twenty-one".