1312043905352 has 128 divisors (see below), whose sum is σ = 2786461948800. Its totient is φ = 576157790208.

The previous prime is 1312043905351. The next prime is 1312043905373. The reversal of 1312043905352 is 2535093402131.

It is not an unprimeable number, because it can be changed into a prime (1312043905351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13958303 + ... + 14051985.

It is an arithmetic number, because the mean of its divisors is an integer number (21769233975).

Almost surely, 2^{1312043905352} is an apocalyptic number.

It is an amenable number.

1312043905352 is an abundant number, since it is smaller than the sum of its proper divisors (1474418043448).

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

1312043905352 is a wasteful number, since it uses less digits than its factorization.

1312043905352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93855 (or 93851 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 1312043905352 in words is "one trillion, three hundred twelve billion, forty-three million, nine hundred five thousand, three hundred fifty-two".