12261136822 has 16 divisors (see below), whose sum is σ = 20065516992. Its totient is φ = 5572733320.

The previous prime is 12261136819. The next prime is 12261136843. The reversal of 12261136822 is 22863116221.

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, 330033 + ... + 365299.

It is an arithmetic number, because the mean of its divisors is an integer number (1254094812).

Almost surely, 2^12261136822 is an apocalyptic number.

12261136822 is a deficient number, since it is larger than the sum of its proper divisors (7804380170).

12261136822 is a wasteful number, since it uses less digits than its factorization.

12261136822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51083.

The product of its digits is 13824, while the sum is 34.

The spelling of 12261136822 in words is "twelve billion, two hundred sixty-one million, one hundred thirty-six thousand, eight hundred twenty-two".