12660226744 has 32 divisors (see below), whose sum is σ = 25950067200. Its totient is φ = 5742615520.

The previous prime is 12660226739. The next prime is 12660226751. The reversal of 12660226744 is 44762206621.

It is a junction number, because it is equal to n+sod(n) for n = 12660226697 and 12660226706.

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, 108022 + ... + 192325.

It is an arithmetic number, because the mean of its divisors is an integer number (810939600).

Almost surely, 2^12660226744 is an apocalyptic number.

It is an amenable number.

12660226744 is an abundant number, since it is smaller than the sum of its proper divisors (13289840456).

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

12660226744 is a wasteful number, since it uses less digits than its factorization.

12660226744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300843 (or 300839 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 12660226744 in words is "twelve billion, six hundred sixty million, two hundred twenty-six thousand, seven hundred forty-four".