312213404134402 has 32 divisors (see below), whose sum is σ = 471410240472000. Its totient is φ = 155079772150080.

The previous prime is 312213404134393. The next prime is 312213404134403. The reversal of 312213404134402 is 204431404312213.

It is not an unprimeable number, because it can be changed into a prime (312213404134403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295042952 + ... + 1295284012.

It is an arithmetic number, because the mean of its divisors is an integer number (14731570014750).

Almost surely, 2^{312213404134402} is an apocalyptic number.

312213404134402 is a deficient number, since it is larger than the sum of its proper divisors (159196836337598).

312213404134402 is a wasteful number, since it uses less digits than its factorization.

312213404134402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247506.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 312213404134402 its reverse (204431404312213), we get a palindrome (516644808446615).

The spelling of 312213404134402 in words is "three hundred twelve trillion, two hundred thirteen billion, four hundred four million, one hundred thirty-four thousand, four hundred two".