312001021112102 has 24 divisors (see below), whose sum is σ = 546054688094760. Its totient is φ = 133310751346080.

The previous prime is 312001021112089. The next prime is 312001021112149. The reversal of 312001021112102 is 201211120100213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4809157727 + ... + 4809222602.

It is an arithmetic number, because the mean of its divisors is an integer number (22752278670615).

Almost surely, 2^{312001021112102} is an apocalyptic number.

312001021112102 is a deficient number, since it is larger than the sum of its proper divisors (234053666982658).

312001021112102 is a wasteful number, since it uses less digits than its factorization.

312001021112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9618380676 (or 9618380669 counting only the distinct ones).

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

Adding to 312001021112102 its reverse (201211120100213), we get a palindrome (513212141212315).

The spelling of 312001021112102 in words is "three hundred twelve trillion, one billion, twenty-one million, one hundred twelve thousand, one hundred two".