312230202129 has 12 divisors (see below), whose sum is σ = 451007914500. Its totient is φ = 208149437184.

The previous prime is 312230202091. The next prime is 312230202131. The reversal of 312230202129 is 921202032213.

312230202129 is a `hidden beast` number, since 312 + 2 + 302 + 0 + 21 + 29 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62924719104 + 249305483025 = 250848^2 + 499305^2 .

It is not a de Polignac number, because 312230202129 - 2⁷ = 312230202001 is a prime.

It is a super-2 number, since 2×312230202129² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (312230202139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199597 + ... + 815045.

It is an arithmetic number, because the mean of its divisors is an integer number (37583992875).

Almost surely, 2^312230202129 is an apocalyptic number.

It is an amenable number.

312230202129 is a deficient number, since it is larger than the sum of its proper divisors (138777712371).

312230202129 is a wasteful number, since it uses less digits than its factorization.

312230202129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671824 (or 671821 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 312230202129 in words is "three hundred twelve billion, two hundred thirty million, two hundred two thousand, one hundred twenty-nine".