12566969822 has 8 divisors (see below), whose sum is σ = 20564132472. Its totient is φ = 5712259000.

The previous prime is 12566969803. The next prime is 12566969837. The reversal of 12566969822 is 22896966521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285612929 + ... + 285612972.

It is an arithmetic number, because the mean of its divisors is an integer number (2570516559).

Almost surely, 2^12566969822 is an apocalyptic number.

12566969822 is a deficient number, since it is larger than the sum of its proper divisors (7997162650).

12566969822 is a wasteful number, since it uses less digits than its factorization.

12566969822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571225914.

The product of its digits is 5598720, while the sum is 56.

The spelling of 12566969822 in words is "twelve billion, five hundred sixty-six million, nine hundred sixty-nine thousand, eight hundred twenty-two".