312232345115205 has 32 divisors (see below), whose sum is σ = 521294399225856. Its totient is φ = 159283094383424.

The previous prime is 312232345115123. The next prime is 312232345115209. The reversal of 312232345115205 is 502511543232213.

It is a cyclic number.

It is not a de Polignac number, because 312232345115205 - 2¹⁸ = 312232344853061 is a prime.

It is a super-2 number, since 2×312232345115205² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312232345115209) 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, 88888924 + ... + 92334746.

It is an arithmetic number, because the mean of its divisors is an integer number (16290449975808).

Almost surely, 2^{312232345115205} is an apocalyptic number.

It is an amenable number.

312232345115205 is a deficient number, since it is larger than the sum of its proper divisors (209062054110651).

312232345115205 is a wasteful number, since it uses less digits than its factorization.

312232345115205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708497.

The product of its (nonzero) digits is 216000, while the sum is 39.

Adding to 312232345115205 its reverse (502511543232213), we get a palindrome (814743888347418).

The spelling of 312232345115205 in words is "three hundred twelve trillion, two hundred thirty-two billion, three hundred forty-five million, one hundred fifteen thousand, two hundred five".