312420089500 has 24 divisors (see below), whose sum is σ = 682325476560. Its totient is φ = 124968035600.

The previous prime is 312420089467. The next prime is 312420089507. The reversal of 312420089500 is 5980024213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312420089507) 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, 312419590 + ... + 312420589.

It is an arithmetic number, because the mean of its divisors is an integer number (28430228190).

Almost surely, 2^312420089500 is an apocalyptic number.

It is an amenable number.

312420089500 is an abundant number, since it is smaller than the sum of its proper divisors (369905387060).

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

312420089500 is a wasteful number, since it uses less digits than its factorization.

312420089500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624840198 (or 624840186 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 312420089500 in words is "three hundred twelve billion, four hundred twenty million, eighty-nine thousand, five hundred".