12002129687 has 2 divisors, whose sum is σ = 12002129688. Its totient is φ = 12002129686.

The previous prime is 12002129653. The next prime is 12002129701. The reversal of 12002129687 is 78692120021.

It is a strong prime.

It is an emirp because it is prime and its reverse (78692120021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12002129687 - 2³⁰ = 10928387863 is a prime.

It is a super-2 number, since 2×12002129687² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12002129687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002129987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001064843 + 6001064844.

It is an arithmetic number, because the mean of its divisors is an integer number (6001064844).

Almost surely, 2^12002129687 is an apocalyptic number.

12002129687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002129687 is an equidigital number, since it uses as much as digits as its factorization.

12002129687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 12002129687 in words is "twelve billion, two million, one hundred twenty-nine thousand, six hundred eighty-seven".