12102645039 has 4 divisors (see below), whose sum is σ = 16136860056. Its totient is φ = 8068430024.

The previous prime is 12102645013. The next prime is 12102645101. The reversal of 12102645039 is 93054620121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12102645039 - 2⁵ = 12102645007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102645439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2017107504 + ... + 2017107509.

It is an arithmetic number, because the mean of its divisors is an integer number (4034215014).

Almost surely, 2^12102645039 is an apocalyptic number.

12102645039 is a deficient number, since it is larger than the sum of its proper divisors (4034215017).

12102645039 is an equidigital number, since it uses as much as digits as its factorization.

12102645039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034215016.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 12102645039 in words is "twelve billion, one hundred two million, six hundred forty-five thousand, thirty-nine".