312213101424402 has 16 divisors (see below), whose sum is σ = 624524739488352. Its totient is φ = 104054611034880.

The previous prime is 312213101424373. The next prime is 312213101424403. The reversal of 312213101424402 is 204424101312213.

It is a happy number.

It is a super-2 number, since 2×312213101424402² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312213101424402.

It is not an unprimeable number, because it can be changed into a prime (312213101424403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4105652124 + ... + 4105728167.

It is an arithmetic number, because the mean of its divisors is an integer number (39032796218022).

Almost surely, 2^{312213101424402} is an apocalyptic number.

312213101424402 is an abundant number, since it is smaller than the sum of its proper divisors (312311638063950).

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

312213101424402 is a wasteful number, since it uses less digits than its factorization.

312213101424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211386633.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 312213101424402 its reverse (204424101312213), we get a palindrome (516637202736615).

The spelling of 312213101424402 in words is "three hundred twelve trillion, two hundred thirteen billion, one hundred one million, four hundred twenty-four thousand, four hundred two".