312220010444 has 12 divisors (see below), whose sum is σ = 546628629624. Its totient is φ = 156040401984.

The previous prime is 312220010423. The next prime is 312220010477. The reversal of 312220010444 is 444010022213.

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, 17390717 + ... + 17408660.

It is an arithmetic number, because the mean of its divisors is an integer number (45552385802).

Almost surely, 2^312220010444 is an apocalyptic number.

It is an amenable number.

312220010444 is a deficient number, since it is larger than the sum of its proper divisors (234408619180).

312220010444 is a wasteful number, since it uses less digits than its factorization.

312220010444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34801624 (or 34801622 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 312220010444 its reverse (444010022213), we get a palindrome (756230032657).

The spelling of 312220010444 in words is "three hundred twelve billion, two hundred twenty million, ten thousand, four hundred forty-four".