312100222030 has 64 divisors (see below), whose sum is σ = 597609472320. Its totient is φ = 116947943424.

The previous prime is 312100221943. The next prime is 312100222061. The reversal of 312100222030 is 30222001213.

It is a junction number, because it is equal to n+sod(n) for n = 312100221995 and 312100222013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39318222 + ... + 39326158.

It is an arithmetic number, because the mean of its divisors is an integer number (9337648005).

Almost surely, 2^312100222030 is an apocalyptic number.

312100222030 is a deficient number, since it is larger than the sum of its proper divisors (285509250290).

312100222030 is a wasteful number, since it uses less digits than its factorization.

312100222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 312100222030 its reverse (30222001213), we get a palindrome (342322223243).

The spelling of 312100222030 in words is "three hundred twelve billion, one hundred million, two hundred twenty-two thousand, thirty".