312122111002 has 32 divisors (see below), whose sum is σ = 514611377280. Its totient is φ = 141090431040.

The previous prime is 312122110991. The next prime is 312122111017. The reversal of 312122111002 is 200111221213.

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, 588499 + ... + 985177.

It is an arithmetic number, because the mean of its divisors is an integer number (16081605540).

Almost surely, 2^312122111002 is an apocalyptic number.

312122111002 is a deficient number, since it is larger than the sum of its proper divisors (202489266278).

312122111002 is a wasteful number, since it uses less digits than its factorization.

312122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397318.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 312122111002 its reverse (200111221213), we get a palindrome (512233332215).

The spelling of 312122111002 in words is "three hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, two".