12055629888 has 84 divisors (see below), whose sum is σ = 34706562540. Its totient is φ = 4000951296.

The previous prime is 12055629877. The next prime is 12055629907. The reversal of 12055629888 is 88892655021.

It is a happy number.

12055629888 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 5 + 629 + 8 + 8 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8304312384 + 3751317504 = 91128^2 + 61248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86206 + ... + 177602.

Almost surely, 2^12055629888 is an apocalyptic number.

12055629888 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 12055629888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17353281270).

12055629888 is an abundant number, since it is smaller than the sum of its proper divisors (22650932652).

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

12055629888 is a wasteful number, since it uses less digits than its factorization.

12055629888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91644 (or 91631 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 12055629888 in words is "twelve billion, fifty-five million, six hundred twenty-nine thousand, eight hundred eighty-eight".