312204142312 has 64 divisors (see below), whose sum is σ = 615391545600. Its totient is φ = 148203095040.

The previous prime is 312204142277. The next prime is 312204142319. The reversal of 312204142312 is 213241402213.

It is not an unprimeable number, because it can be changed into a prime (312204142319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29142637 + ... + 29153347.

It is an arithmetic number, because the mean of its divisors is an integer number (9615492900).

Almost surely, 2^312204142312 is an apocalyptic number.

It is an amenable number.

312204142312 is a deficient number, since it is larger than the sum of its proper divisors (303187403288).

312204142312 is a wasteful number, since it uses less digits than its factorization.

312204142312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11906 (or 11902 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312204142312 its reverse (213241402213), we get a palindrome (525445544525).

The spelling of 312204142312 in words is "three hundred twelve billion, two hundred four million, one hundred forty-two thousand, three hundred twelve".