12988331429 has 4 divisors (see below), whose sum is σ = 13671927840. Its totient is φ = 12304735020.

The previous prime is 12988331407. The next prime is 12988331459. The reversal of 12988331429 is 92413388921.

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 a cyclic number.

It is not a de Polignac number, because 12988331429 - 2²⁴ = 12971554213 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 (12988331459) 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, 341798177 + ... + 341798214.

It is an arithmetic number, because the mean of its divisors is an integer number (3417981960).

Almost surely, 2^12988331429 is an apocalyptic number.

12988331429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12988331429 is a deficient number, since it is larger than the sum of its proper divisors (683596411).

12988331429 is an equidigital number, since it uses as much as digits as its factorization.

12988331429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683596410.

The product of its digits is 746496, while the sum is 50.

The spelling of 12988331429 in words is "twelve billion, nine hundred eighty-eight million, three hundred thirty-one thousand, four hundred twenty-nine".