312232002012 has 72 divisors (see below), whose sum is σ = 905433424896. Its totient is φ = 88869926304.

The previous prime is 312232001969. The next prime is 312232002013. The reversal of 312232002012 is 210200232213.

312232002012 is a `hidden beast` number, since 312 + 2 + 320 + 0 + 20 + 12 = 666.

312232002012 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312232002013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2289268 + ... + 2421819.

Almost surely, 2^312232002012 is an apocalyptic number.

It is an amenable number.

312232002012 is an abundant number, since it is smaller than the sum of its proper divisors (593201422884).

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

312232002012 is a wasteful number, since it uses less digits than its factorization.

312232002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711367 (or 4711362 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 312232002012 its reverse (210200232213), we get a palindrome (522432234225).

The spelling of 312232002012 in words is "three hundred twelve billion, two hundred thirty-two million, two thousand, twelve".