12402433157 has 4 divisors (see below), whose sum is σ = 12431209536. Its totient is φ = 12373656780.

The previous prime is 12402433151. The next prime is 12402433163. The reversal of 12402433157 is 75133420421.

12402433157 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12402433151) and next prime (12402433163).

It is a cyclic number.

It is not a de Polignac number, because 12402433157 - 2¹⁴ = 12402416773 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 (12402433151) 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, 14387543 + ... + 14388404.

It is an arithmetic number, because the mean of its divisors is an integer number (3107802384).

Almost surely, 2^12402433157 is an apocalyptic number.

It is an amenable number.

12402433157 is a deficient number, since it is larger than the sum of its proper divisors (28776379).

12402433157 is an equidigital number, since it uses as much as digits as its factorization.

12402433157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28776378.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 12402433157 its reverse (75133420421), we get a palindrome (87535853578).

The spelling of 12402433157 in words is "twelve billion, four hundred two million, four hundred thirty-three thousand, one hundred fifty-seven".