312132120322 has 32 divisors (see below), whose sum is σ = 513383495040. Its totient is φ = 141150971520.

The previous prime is 312132120299. The next prime is 312132120341. The reversal of 312132120322 is 223021231213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 312132120293 and 312132120302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6244204 + ... + 6293992.

It is an arithmetic number, because the mean of its divisors is an integer number (16043234220).

Almost surely, 2^312132120322 is an apocalyptic number.

312132120322 is a deficient number, since it is larger than the sum of its proper divisors (201251374718).

312132120322 is a wasteful number, since it uses less digits than its factorization.

312132120322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51258.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312132120322 its reverse (223021231213), we get a palindrome (535153351535).

The spelling of 312132120322 in words is "three hundred twelve billion, one hundred thirty-two million, one hundred twenty thousand, three hundred twenty-two".