12131055306 has 24 divisors (see below), whose sum is σ = 26287531140. Its totient is φ = 4043134656.

The previous prime is 12131055271. The next prime is 12131055353. The reversal of 12131055306 is 60355013121.

12131055306 is a `hidden beast` number, since 1 + 21 + 3 + 105 + 530 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10866186081 + 1264869225 = 104241^2 + 35565^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12131055306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103110 + ... + 186798.

Almost surely, 2^12131055306 is an apocalyptic number.

12131055306 is an abundant number, since it is smaller than the sum of its proper divisors (14156475834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12131055306 is a wasteful number, since it uses less digits than its factorization.

12131055306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91750 (or 91747 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 12131055306 its reverse (60355013121), we get a palindrome (72486068427).

The spelling of 12131055306 in words is "twelve billion, one hundred thirty-one million, fifty-five thousand, three hundred six".