12922823018551 has 4 divisors (see below), whose sum is σ = 12924119589472. Its totient is φ = 12921526447632.

The previous prime is 12922823018549. The next prime is 12922823018569. The reversal of 12922823018551 is 15581032822921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12922823018551 - 2¹ = 12922823018549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12922823018495 and 12922823018504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12922823018251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648270510 + ... + 648290443.

It is an arithmetic number, because the mean of its divisors is an integer number (3231029897368).

Almost surely, 2^{12922823018551} is an apocalyptic number.

12922823018551 is a deficient number, since it is larger than the sum of its proper divisors (1296570921).

12922823018551 is an equidigital number, since it uses as much as digits as its factorization.

12922823018551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296570920.

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 12922823018551 in words is "twelve trillion, nine hundred twenty-two billion, eight hundred twenty-three million, eighteen thousand, five hundred fifty-one".