312002232012 has 36 divisors (see below), whose sum is σ = 788739280056. Its totient is φ = 103991912640.

The previous prime is 312002231971. The next prime is 312002232037. The reversal of 312002232012 is 210232200213.

312002232012 is a `hidden beast` number, since 312 + 0 + 0 + 22 + 320 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68968 + ... + 792944.

It is an arithmetic number, because the mean of its divisors is an integer number (21909424446).

Almost surely, 2^312002232012 is an apocalyptic number.

It is an amenable number.

312002232012 is an abundant number, since it is smaller than the sum of its proper divisors (476737048044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312002232012 is a wasteful number, since it uses less digits than its factorization.

312002232012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735958 (or 735953 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 312002232012 its reverse (210232200213), we get a palindrome (522234432225).

The spelling of 312002232012 in words is "three hundred twelve billion, two million, two hundred thirty-two thousand, twelve".