12645006036 has 24 divisors (see below), whose sum is σ = 31774630944. Its totient is φ = 3890771040.

The previous prime is 12645005999. The next prime is 12645006139. The reversal of 12645006036 is 63060054621.

It is a junction number, because it is equal to n+sod(n) for n = 12645005988 and 12645006006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40528710 + ... + 40529021.

It is an arithmetic number, because the mean of its divisors is an integer number (1323942956).

Almost surely, 2^12645006036 is an apocalyptic number.

It is an amenable number.

12645006036 is an abundant number, since it is smaller than the sum of its proper divisors (19129624908).

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

12645006036 is a wasteful number, since it uses less digits than its factorization.

12645006036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81057751 (or 81057749 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 12645006036 in words is "twelve billion, six hundred forty-five million, six thousand, thirty-six".