12899284992 has 240 divisors, whose sum is σ = 42037795800. Its totient is φ = 3908321280.

The previous prime is 12899284969. The next prime is 12899285011. The reversal of 12899284992 is 29948299821.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1821234 + ... + 1828302.

Almost surely, 2^12899284992 is an apocalyptic number.

12899284992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12899284992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21018897900).

12899284992 is an abundant number, since it is smaller than the sum of its proper divisors (29138510808).

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

12899284992 is an equidigital number, since it uses as much as digits as its factorization.

12899284992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7114 (or 7085 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The spelling of 12899284992 in words is "twelve billion, eight hundred ninety-nine million, two hundred eighty-four thousand, nine hundred ninety-two".