1312462479744 has 384 divisors, whose sum is σ = 4307911207200. Its totient is φ = 392913690624.

The previous prime is 1312462479733. The next prime is 1312462479749. The reversal of 1312462479744 is 4479742642131.

1312462479744 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 4 + 624 + 7 + 9 + 7 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×1312462479744² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312462479749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21580002 + ... + 21640734.

Almost surely, 2^{1312462479744} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312462479744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153955603600).

1312462479744 is an abundant number, since it is smaller than the sum of its proper divisors (2995448727456).

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

1312462479744 is a wasteful number, since it uses less digits than its factorization.

1312462479744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60819 (or 60788 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 1312462479744 in words is "one trillion, three hundred twelve billion, four hundred sixty-two million, four hundred seventy-nine thousand, seven hundred forty-four".