312217712213 has 16 divisors (see below), whose sum is σ = 342774706176. Its totient is φ = 282024312240.

The previous prime is 312217712201. The next prime is 312217712263.

312217712213 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-312217712213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312217712213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312217712263) 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, 4860020 + ... + 4923842.

It is an arithmetic number, because the mean of its divisors is an integer number (21423419136).

Almost surely, 2^312217712213 is an apocalyptic number.

It is an amenable number.

312217712213 is a deficient number, since it is larger than the sum of its proper divisors (30556993963).

312217712213 is a wasteful number, since it uses less digits than its factorization.

312217712213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66664.

The product of its digits is 7056, while the sum is 32.

The spelling of 312217712213 in words is "three hundred twelve billion, two hundred seventeen million, seven hundred twelve thousand, two hundred thirteen".