12655783104 has 112 divisors (see below), whose sum is σ = 34449995616. Its totient is φ = 4097433600.

The previous prime is 12655783103. The next prime is 12655783109. The reversal of 12655783104 is 40138755621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12655783103) 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, 5404974 + ... + 5407314.

Almost surely, 2^12655783104 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 12655783104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17224997808).

12655783104 is an abundant number, since it is smaller than the sum of its proper divisors (21794212512).

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

12655783104 is a wasteful number, since it uses less digits than its factorization.

12655783104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 12655783104 in words is "twelve billion, six hundred fifty-five million, seven hundred eighty-three thousand, one hundred four".