312012232213 has 8 divisors (see below), whose sum is σ = 342861485760. Its totient is φ = 281577062880.

The previous prime is 312012232193. The next prime is 312012232229. The reversal of 312012232213 is 312232210213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312012232213 - 2⁹ = 312012231701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312012232913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103519473 + ... + 103522486.

It is an arithmetic number, because the mean of its divisors is an integer number (42857685720).

Almost surely, 2^312012232213 is an apocalyptic number.

It is an amenable number.

312012232213 is a deficient number, since it is larger than the sum of its proper divisors (30849253547).

312012232213 is a wasteful number, since it uses less digits than its factorization.

312012232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207042107.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 312012232213 its reverse (312232210213), we get a palindrome (624244442426).

The spelling of 312012232213 in words is "three hundred twelve billion, twelve million, two hundred thirty-two thousand, two hundred thirteen".