12622123321 has 4 divisors (see below), whose sum is σ = 12623344272. Its totient is φ = 12620902372.

The previous prime is 12622123309. The next prime is 12622123337. The reversal of 12622123321 is 12332122621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12622123321 - 2¹⁹ = 12621599033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12622123021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594835 + ... + 615688.

It is an arithmetic number, because the mean of its divisors is an integer number (3155836068).

Almost surely, 2^12622123321 is an apocalyptic number.

It is an amenable number.

12622123321 is a deficient number, since it is larger than the sum of its proper divisors (1220951).

12622123321 is a wasteful number, since it uses less digits than its factorization.

12622123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220950.

The product of its digits is 1728, while the sum is 25.

Adding to 12622123321 its reverse (12332122621), we get a palindrome (24954245942).

The spelling of 12622123321 in words is "twelve billion, six hundred twenty-two million, one hundred twenty-three thousand, three hundred twenty-one".