312232002000 has 80 divisors (see below), whose sum is σ = 1006635993792. Its totient is φ = 83261865600.

The previous prime is 312232001969. The next prime is 312232002013. The reversal of 312232002000 is 200232213.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26013334 + ... + 26025333.

Almost surely, 2^312232002000 is an apocalyptic number.

312232002000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312232002000 is an abundant number, since it is smaller than the sum of its proper divisors (694403991792).

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

312232002000 is a wasteful number, since it uses less digits than its factorization.

312232002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52038693 (or 52038677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 312232002000 its reverse (200232213), we get a palindrome (312432234213).

The spelling of 312232002000 in words is "three hundred twelve billion, two hundred thirty-two million, two thousand".