12133159397 has 4 divisors (see below), whose sum is σ = 12429090156. Its totient is φ = 11837228640.

The previous prime is 12133159393. The next prime is 12133159411. The reversal of 12133159397 is 79395133121.

12133159397 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 can be written as a sum of positive squares in 2 ways, for example, as 537961636 + 11595197761 = 23194^2 + 107681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133159397 - 2² = 12133159393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133159393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147965318 + ... + 147965399.

It is an arithmetic number, because the mean of its divisors is an integer number (3107272539).

Almost surely, 2^12133159397 is an apocalyptic number.

It is an amenable number.

12133159397 is a deficient number, since it is larger than the sum of its proper divisors (295930759).

12133159397 is an equidigital number, since it uses as much as digits as its factorization.

12133159397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295930758.

The product of its digits is 153090, while the sum is 44.

The spelling of 12133159397 in words is "twelve billion, one hundred thirty-three million, one hundred fifty-nine thousand, three hundred ninety-seven".