312212400243002 has 16 divisors (see below), whose sum is σ = 535521437780352. Its totient is φ = 133730269334640.

The previous prime is 312212400242999. The next prime is 312212400243173. The reversal of 312212400243002 is 200342004212213.

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, 6253728749 + ... + 6253778672.

It is an arithmetic number, because the mean of its divisors is an integer number (33470089861272).

Almost surely, 2^{312212400243002} is an apocalyptic number.

312212400243002 is a deficient number, since it is larger than the sum of its proper divisors (223309037537350).

312212400243002 is a wasteful number, since it uses less digits than its factorization.

312212400243002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12507509213.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 312212400243002 its reverse (200342004212213), we get a palindrome (512554404455215).

The spelling of 312212400243002 in words is "three hundred twelve trillion, two hundred twelve billion, four hundred million, two hundred forty-three thousand, two".