312032001122 has 4 divisors (see below), whose sum is σ = 468048001686. Its totient is φ = 156016000560.

The previous prime is 312032001101. The next prime is 312032001137. The reversal of 312032001122 is 221100230213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 273467289481 + 38564711641 = 522941^2 + 196379^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312032001122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78008000279 + ... + 78008000282.

Almost surely, 2^312032001122 is an apocalyptic number.

312032001122 is a deficient number, since it is larger than the sum of its proper divisors (156016000564).

312032001122 is a wasteful number, since it uses less digits than its factorization.

312032001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156016000563.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312032001122 its reverse (221100230213), we get a palindrome (533132231335).

The spelling of 312032001122 in words is "three hundred twelve billion, thirty-two million, one thousand, one hundred twenty-two".