12231302308 has 6 divisors (see below), whose sum is σ = 21404779046. Its totient is φ = 6115651152.

The previous prime is 12231302297. The next prime is 12231302311. The reversal of 12231302308 is 80320313221.

It can be written as a sum of positive squares in only one way, i.e., 7821279844 + 4410022464 = 88438^2 + 66408^2 .

It is a super-2 number, since 2×12231302308² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1528912785 + ... + 1528912792.

Almost surely, 2^12231302308 is an apocalyptic number.

It is an amenable number.

12231302308 is a deficient number, since it is larger than the sum of its proper divisors (9173476738).

12231302308 is a wasteful number, since it uses less digits than its factorization.

12231302308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3057825581 (or 3057825579 counting only the distinct ones).

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

Adding to 12231302308 its reverse (80320313221), we get a palindrome (92551615529).

The spelling of 12231302308 in words is "twelve billion, two hundred thirty-one million, three hundred two thousand, three hundred eight".