312212230011 has 24 divisors (see below), whose sum is σ = 492021226944. Its totient is φ = 189200133360.

The previous prime is 312212230007. The next prime is 312212230037. The reversal of 312212230011 is 110032212213.

312212230011 is a `hidden beast` number, since 312 + 21 + 22 + 300 + 11 = 666.

It is not a de Polignac number, because 312212230011 - 2² = 312212230007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312212230051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 840000 + ... + 1153266.

It is an arithmetic number, because the mean of its divisors is an integer number (20500884456).

Almost surely, 2^312212230011 is an apocalyptic number.

312212230011 is a deficient number, since it is larger than the sum of its proper divisors (179808996933).

312212230011 is a wasteful number, since it uses less digits than its factorization.

312212230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323351 (or 323348 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 312212230011 its reverse (110032212213), we get a palindrome (422244442224).

The spelling of 312212230011 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty thousand, eleven".