312001140412402 has 24 divisors (see below), whose sum is σ = 546375532830444. Its totient is φ = 133232049633312.

The previous prime is 312001140412349. The next prime is 312001140412433. The reversal of 312001140412402 is 204214041100213.

It can be written as a sum of positive squares in 2 ways, for example, as 306239465090601 + 5761675321801 = 17499699^2 + 2400349^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5746696873 + ... + 5746751164.

Almost surely, 2^{312001140412402} is an apocalyptic number.

312001140412402 is a deficient number, since it is larger than the sum of its proper divisors (234374392418042).

312001140412402 is a wasteful number, since it uses less digits than its factorization.

312001140412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493448330 (or 11493448323 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 312001140412402 its reverse (204214041100213), we get a palindrome (516215181512615).

The spelling of 312001140412402 in words is "three hundred twelve trillion, one billion, one hundred forty million, four hundred twelve thousand, four hundred two".