12303022621 has 32 divisors (see below), whose sum is σ = 13767376896. Its totient is φ = 10934880000.

The previous prime is 12303022619. The next prime is 12303022637. The reversal of 12303022621 is 12622030321.

It is a cyclic number.

It is not a de Polignac number, because 12303022621 - 2¹ = 12303022619 is a prime.

It is a super-2 number, since 2×12303022621² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12303022592 and 12303022601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303022651) 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, 11276286 + ... + 11277376.

It is an arithmetic number, because the mean of its divisors is an integer number (430230528).

Almost surely, 2^12303022621 is an apocalyptic number.

It is an amenable number.

12303022621 is a deficient number, since it is larger than the sum of its proper divisors (1464354275).

12303022621 is a wasteful number, since it uses less digits than its factorization.

12303022621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 12303022621 its reverse (12622030321), we get a palindrome (24925052942).

The spelling of 12303022621 in words is "twelve billion, three hundred three million, twenty-two thousand, six hundred twenty-one".