312130242200 has 96 divisors (see below), whose sum is σ = 857973880800. Its totient is φ = 103325859840.

The previous prime is 312130242191. The next prime is 312130242223. The reversal of 312130242200 is 2242031213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3803369 + ... + 3884568.

It is an arithmetic number, because the mean of its divisors is an integer number (8937227925).

Almost surely, 2^312130242200 is an apocalyptic number.

It is an amenable number.

312130242200 is an abundant number, since it is smaller than the sum of its proper divisors (545843638600).

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

312130242200 is a wasteful number, since it uses less digits than its factorization.

312130242200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7687989 (or 7687980 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312130242200 its reverse (2242031213), we get a palindrome (314372273413).

The spelling of 312130242200 in words is "three hundred twelve billion, one hundred thirty million, two hundred forty-two thousand, two hundred".