1299975524088 has 128 divisors (see below), whose sum is σ = 3419786373120. Its totient is φ = 411312245760.

The previous prime is 1299975524087. The next prime is 1299975524117. The reversal of 1299975524088 is 8804255799921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1299975524083) 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, 12929820 + ... + 13029972.

It is an arithmetic number, because the mean of its divisors is an integer number (26717081040).

Almost surely, 2^{1299975524088} 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 1299975524088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709893186560).

1299975524088 is an abundant number, since it is smaller than the sum of its proper divisors (2119810849032).

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

1299975524088 is a wasteful number, since it uses less digits than its factorization.

1299975524088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100557 (or 100553 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 1299975524088 in words is "one trillion, two hundred ninety-nine billion, nine hundred seventy-five million, five hundred twenty-four thousand, eighty-eight".