312012001343402 has 16 divisors (see below), whose sum is σ = 485784502554624. Its totient is φ = 150139441026000.

The previous prime is 312012001343369. The next prime is 312012001343411. The reversal of 312012001343402 is 204343100210213.

It is a super-3 number, since 3×312012001343402³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13901788874 + ... + 13901811317.

It is an arithmetic number, because the mean of its divisors is an integer number (30361531409664).

Almost surely, 2^{312012001343402} is an apocalyptic number.

312012001343402 is a deficient number, since it is larger than the sum of its proper divisors (173772501211222).

312012001343402 is a wasteful number, since it uses less digits than its factorization.

312012001343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27803600405.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 312012001343402 its reverse (204343100210213), we get a palindrome (516355101553615).

The spelling of 312012001343402 in words is "three hundred twelve trillion, twelve billion, one million, three hundred forty-three thousand, four hundred two".