201312012244 has 24 divisors (see below), whose sum is σ = 402708470528. Its totient is φ = 86258481120.

The previous prime is 201312012211. The next prime is 201312012299. The reversal of 201312012244 is 442210213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617667 + ... + 885514.

Almost surely, 2^201312012244 is an apocalyptic number.

It is an amenable number.

201312012244 is an abundant number, since it is smaller than the sum of its proper divisors (201396458284).

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

201312012244 is a wasteful number, since it uses less digits than its factorization.

201312012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507975 (or 1507973 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 201312012244 its reverse (442210213102), we get a palindrome (643522225346).

The spelling of 201312012244 in words is "two hundred one billion, three hundred twelve million, twelve thousand, two hundred forty-four".