312113220022 has 16 divisors (see below), whose sum is σ = 472410282672. Its totient is φ = 154643695360.

The previous prime is 312113220019. The next prime is 312113220031. The reversal of 312113220022 is 220022311213.

It is a super-2 number, since 2×312113220022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975897 + ... + 1255627.

It is an arithmetic number, because the mean of its divisors is an integer number (29525642667).

Almost surely, 2^312113220022 is an apocalyptic number.

312113220022 is a deficient number, since it is larger than the sum of its proper divisors (160297062650).

312113220022 is a wasteful number, since it uses less digits than its factorization.

312113220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284783.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312113220022 its reverse (220022311213), we get a palindrome (532135531235).

The spelling of 312113220022 in words is "three hundred twelve billion, one hundred thirteen million, two hundred twenty thousand, twenty-two".