312402311201040 has 40 divisors (see below), whose sum is σ = 968447164723968. Its totient is φ = 83307282986880.

The previous prime is 312402311201027. The next prime is 312402311201081. The reversal of 312402311201040 is 40102113204213.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 312402311201040.

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, 650838148096 + ... + 650838148575.

Almost surely, 2^{312402311201040} is an apocalyptic number.

312402311201040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312402311201040 is an abundant number, since it is smaller than the sum of its proper divisors (656044853522928).

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

312402311201040 is a wasteful number, since it uses less digits than its factorization.

312402311201040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301676296687 (or 1301676296681 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 312402311201040 its reverse (40102113204213), we get a palindrome (352504424405253).

The spelling of 312402311201040 in words is "three hundred twelve trillion, four hundred two billion, three hundred eleven million, two hundred one thousand, forty".