312221404202034 has 32 divisors (see below), whose sum is σ = 651593434884480. Its totient is φ = 99548710031232.

The previous prime is 312221404201981. The next prime is 312221404202041. The reversal of 312221404202034 is 430202404122213.

It is a junction number, because it is equal to n+sod(n) for n = 312221404201992 and 312221404202010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137035302 + ... + 139295070.

It is an arithmetic number, because the mean of its divisors is an integer number (20362294840140).

Almost surely, 2^{312221404202034} is an apocalyptic number.

312221404202034 is an abundant number, since it is smaller than the sum of its proper divisors (339372030682446).

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

312221404202034 is a wasteful number, since it uses less digits than its factorization.

312221404202034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260994.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 312221404202034 its reverse (430202404122213), we get a palindrome (742423808324247).

The spelling of 312221404202034 in words is "three hundred twelve trillion, two hundred twenty-one billion, four hundred four million, two hundred two thousand, thirty-four".