12869599240 has 32 divisors (see below), whose sum is σ = 29353270680. Its totient is φ = 5077320192.

The previous prime is 12869599217. The next prime is 12869599243. The reversal of 12869599240 is 4299596821.

It can be written as a sum of positive squares in 4 ways, for example, as 8592177636 + 4277421604 = 92694^2 + 65402^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12869599243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2200779 + ... + 2206618.

Almost surely, 2^12869599240 is an apocalyptic number.

12869599240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12869599240 is an abundant number, since it is smaller than the sum of its proper divisors (16483671440).

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

12869599240 is a wasteful number, since it uses less digits than its factorization.

12869599240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407481 (or 4407477 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 12869599240 in words is "twelve billion, eight hundred sixty-nine million, five hundred ninety-nine thousand, two hundred forty".