312452155000 has 160 divisors (see below), whose sum is σ = 747251865360. Its totient is φ = 122411520000.

The previous prime is 312452154991. The next prime is 312452155007. The reversal of 312452155000 is 551254213.

It is a self number, because there is not a number n which added to its sum of digits gives 312452155000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312452155007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60632424 + ... + 60637576.

Almost surely, 2^312452155000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312452155000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373625932680).

312452155000 is an abundant number, since it is smaller than the sum of its proper divisors (434799710360).

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

312452155000 is a wasteful number, since it uses less digits than its factorization.

312452155000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 312452155000 in words is "three hundred twelve billion, four hundred fifty-two million, one hundred fifty-five thousand".