12266644612 has 6 divisors (see below), whose sum is σ = 21466628078. Its totient is φ = 6133322304.

The previous prime is 12266644609. The next prime is 12266644613. The reversal of 12266644612 is 21644666221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12107481156 + 159163456 = 110034^2 + 12616^2 .

It is not an unprimeable number, because it can be changed into a prime (12266644613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1533330573 + ... + 1533330580.

Almost surely, 2^12266644612 is an apocalyptic number.

It is an amenable number.

12266644612 is a deficient number, since it is larger than the sum of its proper divisors (9199983466).

12266644612 is a wasteful number, since it uses less digits than its factorization.

12266644612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066661157 (or 3066661155 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 12266644612 in words is "twelve billion, two hundred sixty-six million, six hundred forty-four thousand, six hundred twelve".