12265664700 has 144 divisors (see below), whose sum is σ = 37414133120. Its totient is φ = 3093914880.

The previous prime is 12265664633. The next prime is 12265664701. The reversal of 12265664700 is 746656221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265664701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5031882 + ... + 5034318.

Almost surely, 2^12265664700 is an apocalyptic number.

12265664700 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 12265664700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18707066560).

12265664700 is an abundant number, since it is smaller than the sum of its proper divisors (25148468420).

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

12265664700 is a wasteful number, since it uses less digits than its factorization.

12265664700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356 (or 3349 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 12265664700 in words is "twelve billion, two hundred sixty-five million, six hundred sixty-four thousand, seven hundred".