312442244212 has 24 divisors (see below), whose sum is σ = 627260489856. Its totient is φ = 133394675808.

The previous prime is 312442244203. The next prime is 312442244327. The reversal of 312442244212 is 212442244213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21206803 + ... + 21221530.

It is an arithmetic number, because the mean of its divisors is an integer number (26135853744).

Almost surely, 2^312442244212 is an apocalyptic number.

It is an amenable number.

312442244212 is an abundant number, since it is smaller than the sum of its proper divisors (314818245644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312442244212 is a wasteful number, since it uses less digits than its factorization.

312442244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42428607 (or 42428605 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

Adding to 312442244212 its reverse (212442244213), we get a palindrome (524884488425).

Subtracting from 312442244212 its reverse (212442244213), we obtain a palindrome (99999999999).

The spelling of 312442244212 in words is "three hundred twelve billion, four hundred forty-two million, two hundred forty-four thousand, two hundred twelve".