312113020012 has 12 divisors (see below), whose sum is σ = 551031394536. Its totient is φ = 154675478720.

The previous prime is 312113019997. The next prime is 312113020183. The reversal of 312113020012 is 210020311213.

It is a super-2 number, since 2×312113020012² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345257314 + ... + 345258217.

It is an arithmetic number, because the mean of its divisors is an integer number (45919282878).

Almost surely, 2^312113020012 is an apocalyptic number.

It is an amenable number.

312113020012 is a deficient number, since it is larger than the sum of its proper divisors (238918374524).

312113020012 is a wasteful number, since it uses less digits than its factorization.

312113020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690515648 (or 690515646 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312113020012 its reverse (210020311213), we get a palindrome (522133331225).

The spelling of 312113020012 in words is "three hundred twelve billion, one hundred thirteen million, twenty thousand, twelve".