312213040200402 has 64 divisors (see below), whose sum is σ = 681721480656000. Its totient is φ = 94536514042880.

The previous prime is 312213040200359. The next prime is 312213040200539. The reversal of 312213040200402 is 204002040312213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438566848 + ... + 439278164.

It is an arithmetic number, because the mean of its divisors is an integer number (10651898135250).

Almost surely, 2^{312213040200402} is an apocalyptic number.

312213040200402 is an abundant number, since it is smaller than the sum of its proper divisors (369508440455598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312213040200402 is a wasteful number, since it uses less digits than its factorization.

312213040200402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716491.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 312213040200402 its reverse (204002040312213), we get a palindrome (516215080512615).

The spelling of 312213040200402 in words is "three hundred twelve trillion, two hundred thirteen billion, forty million, two hundred thousand, four hundred two".