12739308204235 has 4 divisors (see below), whose sum is σ = 15287169845088. Its totient is φ = 10191446563384.

The previous prime is 12739308204197. The next prime is 12739308204239. The reversal of 12739308204235 is 53240280393721.

12739308204235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12739308204235 - 2⁹ = 12739308203723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12739308204239) 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, 1273930820419 + ... + 1273930820428.

It is an arithmetic number, because the mean of its divisors is an integer number (3821792461272).

Almost surely, 2^{12739308204235} is an apocalyptic number.

12739308204235 is a deficient number, since it is larger than the sum of its proper divisors (2547861640853).

12739308204235 is an equidigital number, since it uses as much as digits as its factorization.

12739308204235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547861640852.

The product of its (nonzero) digits is 2177280, while the sum is 49.

Adding to 12739308204235 its reverse (53240280393721), we get a palindrome (65979588597956).

The spelling of 12739308204235 in words is "twelve trillion, seven hundred thirty-nine billion, three hundred eight million, two hundred four thousand, two hundred thirty-five".