12562135660 has 36 divisors (see below), whose sum is σ = 27112799952. Its totient is φ = 4889036736.

The previous prime is 12562135657. The next prime is 12562135693. The reversal of 12562135660 is 6653126521.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202024 + ... + 256783.

It is an arithmetic number, because the mean of its divisors is an integer number (753133332).

Almost surely, 2^12562135660 is an apocalyptic number.

12562135660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12562135660 is an abundant number, since it is smaller than the sum of its proper divisors (14550664292).

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

12562135660 is a wasteful number, since it uses less digits than its factorization.

12562135660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458890 (or 458851 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 12562135660 in words is "twelve billion, five hundred sixty-two million, one hundred thirty-five thousand, six hundred sixty".