1312069463488 has 112 divisors (see below), whose sum is σ = 3134993171200. Its totient is φ = 532244183040.

The previous prime is 1312069463479. The next prime is 1312069463501. The reversal of 1312069463488 is 8843649602131.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1312069463488² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9541783 + ... + 9678313.

Almost surely, 2^{1312069463488} 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 1312069463488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567496585600).

1312069463488 is an abundant number, since it is smaller than the sum of its proper divisors (1822923707712).

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

1312069463488 is a wasteful number, since it uses less digits than its factorization.

1312069463488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137698 (or 137688 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 1312069463488 in words is "one trillion, three hundred twelve billion, sixty-nine million, four hundred sixty-three thousand, four hundred eighty-eight".