312001202442320 has 40 divisors (see below), whose sum is σ = 725763513504480. Its totient is φ = 124738421996160.

The previous prime is 312001202442311. The next prime is 312001202442331. The reversal of 312001202442320 is 23244202100213.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 312001202442320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969509690 + ... + 969831449.

It is an arithmetic number, because the mean of its divisors is an integer number (18144087837612).

Almost surely, 2^{312001202442320} is an apocalyptic number.

It is an amenable number.

312001202442320 is an abundant number, since it is smaller than the sum of its proper divisors (413762311062160).

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

312001202442320 is a wasteful number, since it uses less digits than its factorization.

312001202442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939343163 (or 1939343157 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 312001202442320 its reverse (23244202100213), we get a palindrome (335245404542533).

The spelling of 312001202442320 in words is "three hundred twelve trillion, one billion, two hundred two million, four hundred forty-two thousand, three hundred twenty".