312320122110 has 32 divisors (see below), whose sum is σ = 832853659680. Its totient is φ = 83285365824.

The previous prime is 312320122099. The next prime is 312320122111. The reversal of 312320122110 is 11221023213.

312320122110 is a `hidden beast` number, since 312 + 320 + 1 + 2 + 21 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312320122111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578370327 + ... + 578370866.

It is an arithmetic number, because the mean of its divisors is an integer number (26026676865).

Almost surely, 2^312320122110 is an apocalyptic number.

312320122110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312320122110 is an abundant number, since it is smaller than the sum of its proper divisors (520533537570).

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

312320122110 is a wasteful number, since it uses less digits than its factorization.

312320122110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156741209 (or 1156741203 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312320122110 its reverse (11221023213), we get a palindrome (323541145323).

The spelling of 312320122110 in words is "three hundred twelve billion, three hundred twenty million, one hundred twenty-two thousand, one hundred ten".