12636010536 has 64 divisors (see below), whose sum is σ = 32325350400. Its totient is φ = 4114312128.

The previous prime is 12636010523. The next prime is 12636010537. The reversal of 12636010536 is 63501063621.

It is a junction number, because it is equal to n+sod(n) for n = 12636010497 and 12636010506.

It is not an unprimeable number, because it can be changed into a prime (12636010537) 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, 579235 + ... + 600653.

It is an arithmetic number, because the mean of its divisors is an integer number (505083600).

Almost surely, 2^12636010536 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 12636010536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16162675200).

12636010536 is an abundant number, since it is smaller than the sum of its proper divisors (19689339864).

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

12636010536 is a wasteful number, since it uses less digits than its factorization.

12636010536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21998 (or 21994 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 12636010536 in words is "twelve billion, six hundred thirty-six million, ten thousand, five hundred thirty-six".