312012223313 has 8 divisors (see below), whose sum is σ = 356614972032. Its totient is φ = 267416868096.

The previous prime is 312012223291. The next prime is 312012223351. The reversal of 312012223313 is 313322210213.

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

It is not a de Polignac number, because 312012223313 - 2¹⁰ = 312012222289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312012223363) 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, 1757645 + ... + 1927002.

It is an arithmetic number, because the mean of its divisors is an integer number (44576871504).

Almost surely, 2^312012223313 is an apocalyptic number.

It is an amenable number.

312012223313 is a deficient number, since it is larger than the sum of its proper divisors (44602748719).

312012223313 is a wasteful number, since it uses less digits than its factorization.

312012223313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696751.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312012223313 its reverse (313322210213), we get a palindrome (625334433526).

The spelling of 312012223313 in words is "three hundred twelve billion, twelve million, two hundred twenty-three thousand, three hundred thirteen".