12031570099 has 2 divisors, whose sum is σ = 12031570100. Its totient is φ = 12031570098.

The previous prime is 12031570087. The next prime is 12031570129. The reversal of 12031570099 is 99007513021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12031570099 - 2⁹ = 12031569587 is a prime.

It is not a weakly prime, because it can be changed into another prime (12031570039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015785049 + 6015785050.

It is an arithmetic number, because the mean of its divisors is an integer number (6015785050).

Almost surely, 2^12031570099 is an apocalyptic number.

12031570099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031570099 is an equidigital number, since it uses as much as digits as its factorization.

12031570099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 37.

The spelling of 12031570099 in words is "twelve billion, thirty-one million, five hundred seventy thousand, ninety-nine".