312122032 has 20 divisors (see below), whose sum is σ = 605025016. Its totient is φ = 155986560.

The previous prime is 312122009. The next prime is 312122051. The reversal of 312122032 is 230221213.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 312121997 and 312122015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47932 + ... + 54052.

Almost surely, 2^312122032 is an apocalyptic number.

It is an amenable number.

312122032 is a deficient number, since it is larger than the sum of its proper divisors (292902984).

312122032 is a wasteful number, since it uses less digits than its factorization.

312122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316 (or 9310 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 312122032 is about 17666.9757457240. The cubic root of 312122032 is about 678.3307036396.

Adding to 312122032 its reverse (230221213), we get a palindrome (542343245).

The spelling of 312122032 in words is "three hundred twelve million, one hundred twenty-two thousand, thirty-two".