129412263751 has 4 divisors (see below), whose sum is σ = 137024749872. Its totient is φ = 121799777632.

The previous prime is 129412263719. The next prime is 129412263769. The reversal of 129412263751 is 157362214921.

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 129412263751 - 2⁵ = 129412263719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129412263698 and 129412263707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129412263251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3806243035 + ... + 3806243068.

It is an arithmetic number, because the mean of its divisors is an integer number (34256187468).

Almost surely, 2^129412263751 is an apocalyptic number.

129412263751 is a deficient number, since it is larger than the sum of its proper divisors (7612486121).

129412263751 is an equidigital number, since it uses as much as digits as its factorization.

129412263751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7612486120.

The product of its digits is 181440, while the sum is 43.

The spelling of 129412263751 in words is "one hundred twenty-nine billion, four hundred twelve million, two hundred sixty-three thousand, seven hundred fifty-one".