12655078788 has 192 divisors, whose sum is σ = 34157813760. Its totient is φ = 3641616000.

The previous prime is 12655078781. The next prime is 12655078789. The reversal of 12655078788 is 88787055621.

It is not an unprimeable number, because it can be changed into a prime (12655078781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30202843 + ... + 30203261.

It is an arithmetic number, because the mean of its divisors is an integer number (177905280).

Almost surely, 2^12655078788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12655078788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17078906880).

12655078788 is an abundant number, since it is smaller than the sum of its proper divisors (21502734972).

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

12655078788 is a wasteful number, since it uses less digits than its factorization.

12655078788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 57.

The spelling of 12655078788 in words is "twelve billion, six hundred fifty-five million, seventy-eight thousand, seven hundred eighty-eight".