12629099808 has 288 divisors, whose sum is σ = 42737175936. Its totient is φ = 3497877504.

The previous prime is 12629099789. The next prime is 12629099843. The reversal of 12629099808 is 80899092621.

12629099808 is a `hidden beast` number, since 1 + 2 + 629 + 0 + 9 + 9 + 8 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1459591 + ... + 1468217.

It is an arithmetic number, because the mean of its divisors is an integer number (148392972).

Almost surely, 2^12629099808 is an apocalyptic number.

12629099808 is a gapful number since it is divisible by the number (18) 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 12629099808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21368587968).

12629099808 is an abundant number, since it is smaller than the sum of its proper divisors (30108076128).

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

12629099808 is a wasteful number, since it uses less digits than its factorization.

12629099808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696 (or 8685 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 12629099808 in words is "twelve billion, six hundred twenty-nine million, ninety-nine thousand, eight hundred eight".