312100310213122 has 8 divisors (see below), whose sum is σ = 470856537374076. Its totient is φ = 155148131088432.

The previous prime is 312100310213059. The next prime is 312100310213141. The reversal of 312100310213122 is 221312013001213.

It can be written as a sum of positive squares in 2 ways, for example, as 261803434876281 + 50296875336841 = 16180341^2 + 7092029^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 312100310213093 and 312100310213102.

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, 451012008633 + ... + 451012009324.

Almost surely, 2^{312100310213122} is an apocalyptic number.

312100310213122 is a deficient number, since it is larger than the sum of its proper divisors (158756227160954).

312100310213122 is a wasteful number, since it uses less digits than its factorization.

312100310213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902024018132.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 312100310213122 its reverse (221312013001213), we get a palindrome (533412323214335).

The spelling of 312100310213122 in words is "three hundred twelve trillion, one hundred billion, three hundred ten million, two hundred thirteen thousand, one hundred twenty-two".