129412024826 has 32 divisors (see below), whose sum is σ = 231764779008. Its totient is φ = 53026510320.

The previous prime is 129412024789. The next prime is 129412024829. The reversal of 129412024826 is 628420214921.

It is not an unprimeable number, because it can be changed into a prime (129412024829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760270 + ... + 1832313.

It is an arithmetic number, because the mean of its divisors is an integer number (7242649344).

Almost surely, 2^129412024826 is an apocalyptic number.

129412024826 is a deficient number, since it is larger than the sum of its proper divisors (102352754182).

129412024826 is a wasteful number, since it uses less digits than its factorization.

129412024826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3592706.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 129412024826 in words is "one hundred twenty-nine billion, four hundred twelve million, twenty-four thousand, eight hundred twenty-six".