12722552218923 has 32 divisors (see below), whose sum is σ = 17721264709632. Its totient is φ = 8103622665600.

The previous prime is 12722552218919. The next prime is 12722552218927. The reversal of 12722552218923 is 32981225522721.

It is an interprime number because it is at equal distance from previous prime (12722552218919) and next prime (12722552218927).

It is not a de Polignac number, because 12722552218923 - 2² = 12722552218919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12722552218927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225401061 + ... + 225457497.

It is an arithmetic number, because the mean of its divisors is an integer number (553789522176).

Almost surely, 2^{12722552218923} is an apocalyptic number.

12722552218923 is a deficient number, since it is larger than the sum of its proper divisors (4998712490709).

12722552218923 is a wasteful number, since it uses less digits than its factorization.

12722552218923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60155.

The product of its digits is 2419200, while the sum is 51.

The spelling of 12722552218923 in words is "twelve trillion, seven hundred twenty-two billion, five hundred fifty-two million, two hundred eighteen thousand, nine hundred twenty-three".