312222222213 has 32 divisors (see below), whose sum is σ = 460210819200. Its totient is φ = 186711091200.

The previous prime is 312222222211. The next prime is 312222222229.

312222222213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312222222213 - 2¹ = 312222222211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312222222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686793 + ... + 1046961.

It is an arithmetic number, because the mean of its divisors is an integer number (14381588100).

Almost surely, 2^312222222213 is an apocalyptic number.

312222222213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312222222213 is a deficient number, since it is larger than the sum of its proper divisors (147988596987).

312222222213 is a wasteful number, since it uses less digits than its factorization.

312222222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360533.

The product of its digits is 2304, while the sum is 24.

It can be divided in two parts, 312222 and 222213, that added together give a palindrome (534435).

The spelling of 312222222213 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirteen".