312020203132 has 72 divisors (see below), whose sum is σ = 642843773712. Its totient is φ = 130965120000.

The previous prime is 312020203093. The next prime is 312020203177. The reversal of 312020203132 is 231302020213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2026882 + ... + 2175382.

It is an arithmetic number, because the mean of its divisors is an integer number (8928385746).

Almost surely, 2^312020203132 is an apocalyptic number.

It is an amenable number.

312020203132 is an abundant number, since it is smaller than the sum of its proper divisors (330823570580).

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

312020203132 is a wasteful number, since it uses less digits than its factorization.

312020203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148639 (or 148584 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 312020203132 its reverse (231302020213), we get a palindrome (543322223345).

The spelling of 312020203132 in words is "three hundred twelve billion, twenty million, two hundred three thousand, one hundred thirty-two".