312011102120012 has 12 divisors (see below), whose sum is σ = 546040948590816. Its totient is φ = 155999402522640.

The previous prime is 312011102119903. The next prime is 312011102120131. The reversal of 312011102120012 is 210021201110213.

It is a happy number.

It is a super-2 number, since 2×312011102120012² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537020164 + ... + 1537223147.

It is an arithmetic number, because the mean of its divisors is an integer number (45503412382568).

Almost surely, 2^{312011102120012} is an apocalyptic number.

It is an amenable number.

312011102120012 is a deficient number, since it is larger than the sum of its proper divisors (234029846470804).

312011102120012 is a wasteful number, since it uses less digits than its factorization.

312011102120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074268688 (or 3074268686 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 312011102120012 its reverse (210021201110213), we get a palindrome (522032303230225).

The spelling of 312011102120012 in words is "three hundred twelve trillion, eleven billion, one hundred two million, one hundred twenty thousand, twelve".