312221422314424 has 16 divisors (see below), whose sum is σ = 669045904959600. Its totient is φ = 133809180991872.

The previous prime is 312221422314383. The next prime is 312221422314437. The reversal of 312221422314424 is 424413224122213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787691270609 + ... + 2787691270720.

It is an arithmetic number, because the mean of its divisors is an integer number (41815369059975).

Almost surely, 2^{312221422314424} is an apocalyptic number.

It is an amenable number.

312221422314424 is an abundant number, since it is smaller than the sum of its proper divisors (356824482645176).

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

312221422314424 is a wasteful number, since it uses less digits than its factorization.

312221422314424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575382541342 (or 5575382541338 counting only the distinct ones).

The product of its digits is 147456, while the sum is 37.

Adding to 312221422314424 its reverse (424413224122213), we get a palindrome (736634646436637).

The spelling of 312221422314424 in words is "three hundred twelve trillion, two hundred twenty-one billion, four hundred twenty-two million, three hundred fourteen thousand, four hundred twenty-four".