12069587731 has 2 divisors, whose sum is σ = 12069587732. Its totient is φ = 12069587730.

The previous prime is 12069587687. The next prime is 12069587737. The reversal of 12069587731 is 13778596021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12069587731 - 2⁷ = 12069587603 is a prime.

It is a super-2 number, since 2×12069587731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12069587737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6034793865 + 6034793866.

It is an arithmetic number, because the mean of its divisors is an integer number (6034793866).

Almost surely, 2^12069587731 is an apocalyptic number.

12069587731 is a deficient number, since it is larger than the sum of its proper divisors (1).

12069587731 is an equidigital number, since it uses as much as digits as its factorization.

12069587731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 12069587731 in words is "twelve billion, sixty-nine million, five hundred eighty-seven thousand, seven hundred thirty-one".