12922122927561 has 8 divisors (see below), whose sum is σ = 17229515983680. Its totient is φ = 8614739244912.

The previous prime is 12922122927557. The next prime is 12922122927599. The reversal of 12922122927561 is 16572922122921.

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

It is not a de Polignac number, because 12922122927561 - 2² = 12922122927557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12922122927761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050020 + ... + 5481498.

It is an arithmetic number, because the mean of its divisors is an integer number (2153689497960).

Almost surely, 2^{12922122927561} is an apocalyptic number.

It is an amenable number.

12922122927561 is a deficient number, since it is larger than the sum of its proper divisors (4307393056119).

12922122927561 is a wasteful number, since it uses less digits than its factorization.

12922122927561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686735.

The product of its digits is 1088640, while the sum is 51.

The spelling of 12922122927561 in words is "twelve trillion, nine hundred twenty-two billion, one hundred twenty-two million, nine hundred twenty-seven thousand, five hundred sixty-one".