1312245236456 has 64 divisors (see below), whose sum is σ = 3069076193280. Its totient is φ = 511016057280.

The previous prime is 1312245236453. The next prime is 1312245236503. The reversal of 1312245236456 is 6546325422131.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1312245236453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754505 + ... + 1787111.

It is an arithmetic number, because the mean of its divisors is an integer number (47954315520).

Almost surely, 2^{1312245236456} is an apocalyptic number.

It is an amenable number.

1312245236456 is an abundant number, since it is smaller than the sum of its proper divisors (1756830956824).

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

1312245236456 is a wasteful number, since it uses less digits than its factorization.

1312245236456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034694 (or 1034690 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 44.

The spelling of 1312245236456 in words is "one trillion, three hundred twelve billion, two hundred forty-five million, two hundred thirty-six thousand, four hundred fifty-six".