12650712660 has 144 divisors (see below), whose sum is σ = 39342086784. Its totient is φ = 3288708864.

The previous prime is 12650712629. The next prime is 12650712733. The reversal of 12650712660 is 6621705621.

It is a happy number.

12650712660 is a `hidden beast` number, since 1 + 26 + 507 + 126 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 5052969 + ... + 5055471.

It is an arithmetic number, because the mean of its divisors is an integer number (273208936).

Almost surely, 2^12650712660 is an apocalyptic number.

12650712660 is a gapful number since it is divisible by the number (10) 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 12650712660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19671043392).

12650712660 is an abundant number, since it is smaller than the sum of its proper divisors (26691374124).

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

12650712660 is a wasteful number, since it uses less digits than its factorization.

12650712660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 12650712660 in words is "twelve billion, six hundred fifty million, seven hundred twelve thousand, six hundred sixty".