12131302387 has 2 divisors, whose sum is σ = 12131302388. Its totient is φ = 12131302386.

The previous prime is 12131302361. The next prime is 12131302411. The reversal of 12131302387 is 78320313121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12131302387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12131302087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065651193 + 6065651194.

It is an arithmetic number, because the mean of its divisors is an integer number (6065651194).

Almost surely, 2^12131302387 is an apocalyptic number.

12131302387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131302387 is an equidigital number, since it uses as much as digits as its factorization.

12131302387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 12131302387 in words is "twelve billion, one hundred thirty-one million, three hundred two thousand, three hundred eighty-seven".