312222013300 has 18 divisors (see below), whose sum is σ = 677521769078. Its totient is φ = 124888805280.

The previous prime is 312222013261. The next prime is 312222013307. The reversal of 312222013300 is 3310222213.

It can be written as a sum of positive squares in 3 ways, for example, as 58260442384 + 253961570916 = 241372^2 + 503946^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222013307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1561109967 + ... + 1561110166.

Almost surely, 2^312222013300 is an apocalyptic number.

It is an amenable number.

312222013300 is an abundant number, since it is smaller than the sum of its proper divisors (365299755778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312222013300 is a wasteful number, since it uses less digits than its factorization.

312222013300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122220147 (or 3122220140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312222013300 its reverse (3310222213), we get a palindrome (315532235513).

The spelling of 312222013300 in words is "three hundred twelve billion, two hundred twenty-two million, thirteen thousand, three hundred".