312180415122 has 32 divisors (see below), whose sum is σ = 638931541248. Its totient is φ = 101632070736.

The previous prime is 312180415091. The next prime is 312180415123. The reversal of 312180415122 is 221514081213.

It is a happy number.

It is a super-2 number, since 2×312180415122² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312180415122.

It is not an unprimeable number, because it can be changed into a prime (312180415123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3809593 + ... + 3890675.

It is an arithmetic number, because the mean of its divisors is an integer number (19966610664).

Almost surely, 2^312180415122 is an apocalyptic number.

312180415122 is an abundant number, since it is smaller than the sum of its proper divisors (326751126126).

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

312180415122 is a wasteful number, since it uses less digits than its factorization.

312180415122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96054.

The product of its (nonzero) digits is 3840, while the sum is 30.

Adding to 312180415122 its reverse (221514081213), we get a palindrome (533694496335).

The spelling of 312180415122 in words is "three hundred twelve billion, one hundred eighty million, four hundred fifteen thousand, one hundred twenty-two".