12387802135 has 4 divisors (see below), whose sum is σ = 14865362568. Its totient is φ = 9910241704.

The previous prime is 12387802127. The next prime is 12387802159. The reversal of 12387802135 is 53120878321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53120878321 = 7 ⋅7588696903.

It is a cyclic number.

It is not a de Polignac number, because 12387802135 - 2³ = 12387802127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1238780209 + ... + 1238780218.

It is an arithmetic number, because the mean of its divisors is an integer number (3716340642).

Almost surely, 2^12387802135 is an apocalyptic number.

12387802135 is a deficient number, since it is larger than the sum of its proper divisors (2477560433).

12387802135 is an equidigital number, since it uses as much as digits as its factorization.

12387802135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477560432.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 12387802135 in words is "twelve billion, three hundred eighty-seven million, eight hundred two thousand, one hundred thirty-five".