12899269284 has 48 divisors (see below), whose sum is σ = 33635359296. Its totient is φ = 3813529600.

The previous prime is 12899269283. The next prime is 12899269319. The reversal of 12899269284 is 48296299821.

It is a super-2 number, since 2×12899269284² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12899269283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1186317 + ... + 1197140.

It is an arithmetic number, because the mean of its divisors is an integer number (700736652).

Almost surely, 2^12899269284 is an apocalyptic number.

It is an amenable number.

12899269284 is an abundant number, since it is smaller than the sum of its proper divisors (20736090012).

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

12899269284 is a wasteful number, since it uses less digits than its factorization.

12899269284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383516 (or 2383514 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The spelling of 12899269284 in words is "twelve billion, eight hundred ninety-nine million, two hundred sixty-nine thousand, two hundred eighty-four".