12013213187 has 2 divisors, whose sum is σ = 12013213188. Its totient is φ = 12013213186.

The previous prime is 12013213171. The next prime is 12013213211. The reversal of 12013213187 is 78131231021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12013213187 - 2⁴ = 12013213171 is a prime.

It is not a weakly prime, because it can be changed into another prime (12013273187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006606593 + 6006606594.

It is an arithmetic number, because the mean of its divisors is an integer number (6006606594).

Almost surely, 2^12013213187 is an apocalyptic number.

12013213187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013213187 is an equidigital number, since it uses as much as digits as its factorization.

12013213187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 12013213187 in words is "twelve billion, thirteen million, two hundred thirteen thousand, one hundred eighty-seven".