312012002002 has 4 divisors (see below), whose sum is σ = 468018003006. Its totient is φ = 156006001000.

The previous prime is 312012001913. The next prime is 312012002017. The reversal of 312012002002 is 200200210213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 296688285481 + 15323716521 = 544691^2 + 123789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78003000499 + ... + 78003000502.

Almost surely, 2^312012002002 is an apocalyptic number.

312012002002 is a deficient number, since it is larger than the sum of its proper divisors (156006001004).

312012002002 is a wasteful number, since it uses less digits than its factorization.

312012002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156006001003.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 312012002002 its reverse (200200210213), we get a palindrome (512212212215).

The spelling of 312012002002 in words is "three hundred twelve billion, twelve million, two thousand, two".