312212230012 has 24 divisors (see below), whose sum is σ = 547089383456. Its totient is φ = 155901086208.

The previous prime is 312212230007. The next prime is 312212230037. The reversal of 312212230012 is 210032212213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13677913 + ... + 13700719.

Almost surely, 2^312212230012 is an apocalyptic number.

It is an amenable number.

312212230012 is a deficient number, since it is larger than the sum of its proper divisors (234877153444).

312212230012 is a wasteful number, since it uses less digits than its factorization.

312212230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27157 (or 27155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312212230012 its reverse (210032212213), we get a palindrome (522244442225).

The spelling of 312212230012 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty thousand, twelve".