312120012652 has 24 divisors (see below), whose sum is σ = 624436443680. Its totient is φ = 133723630080.

The previous prime is 312120012647. The next prime is 312120012683. The reversal of 312120012652 is 256210021213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663077 + ... + 1841212.

Almost surely, 2^312120012652 is an apocalyptic number.

It is an amenable number.

312120012652 is an abundant number, since it is smaller than the sum of its proper divisors (312316431028).

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

312120012652 is a wasteful number, since it uses less digits than its factorization.

312120012652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507481 (or 3507479 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 312120012652 its reverse (256210021213), we get a palindrome (568330033865).

The spelling of 312120012652 in words is "three hundred twelve billion, one hundred twenty million, twelve thousand, six hundred fifty-two".