312201312323112 has 24 divisors (see below), whose sum is σ = 845545220875290. Its totient is φ = 104067104107680.

The previous prime is 312201312323053. The next prime is 312201312323113. The reversal of 312201312323112 is 211323213102213.

312201312323112 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 0 + 1 + 312 + 32 + 311 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 239329377635076 + 72871934688036 = 15470274^2 + 8536506^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (312201312323113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2168064668839 + ... + 2168064668982.

Almost surely, 2^{312201312323112} is an apocalyptic number.

It is an amenable number.

312201312323112 is an abundant number, since it is smaller than the sum of its proper divisors (533343908552178).

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

312201312323112 is a wasteful number, since it uses less digits than its factorization.

312201312323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336129337833 (or 4336129337826 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 312201312323112 its reverse (211323213102213), we get a palindrome (523524525425325).

The spelling of 312201312323112 in words is "three hundred twelve trillion, two hundred one billion, three hundred twelve million, three hundred twenty-three thousand, one hundred twelve".