12302220231 has 36 divisors (see below), whose sum is σ = 20681956152. Its totient is φ = 7026141024.

The previous prime is 12302220179. The next prime is 12302220233. The reversal of 12302220231 is 13202220321.

It is not a de Polignac number, because 12302220231 - 2⁷ = 12302220103 is a prime.

It is a super-2 number, since 2×12302220231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302220233) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 982945 + ... + 995381.

It is an arithmetic number, because the mean of its divisors is an integer number (574498782).

Almost surely, 2^12302220231 is an apocalyptic number.

12302220231 is a deficient number, since it is larger than the sum of its proper divisors (8379735921).

12302220231 is a wasteful number, since it uses less digits than its factorization.

12302220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14700 (or 14690 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 12302220231 its reverse (13202220321), we get a palindrome (25504440552).

The spelling of 12302220231 in words is "twelve billion, three hundred two million, two hundred twenty thousand, two hundred thirty-one".