312232132020 has 24 divisors (see below), whose sum is σ = 874249969824. Its totient is φ = 83261901856.

The previous prime is 312232132013. The next prime is 312232132021. The reversal of 312232132020 is 20231232213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312232132021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601934374 + ... + 2601934493.

It is an arithmetic number, because the mean of its divisors is an integer number (36427082076).

Almost surely, 2^312232132020 is an apocalyptic number.

312232132020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312232132020 is an abundant number, since it is smaller than the sum of its proper divisors (562017837804).

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

312232132020 is a wasteful number, since it uses less digits than its factorization.

312232132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203868879 (or 5203868877 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312232132020 its reverse (20231232213), we get a palindrome (332463364233).

The spelling of 312232132020 in words is "three hundred twelve billion, two hundred thirty-two million, one hundred thirty-two thousand, twenty".