129233198801 has 16 divisors (see below), whose sum is σ = 148199859840. Its totient is φ = 110393331840.

The previous prime is 129233198749. The next prime is 129233198819. The reversal of 129233198801 is 108891332921.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129233198801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129233198821) 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, 2627606 + ... + 2676336.

It is an arithmetic number, because the mean of its divisors is an integer number (9262491240).

Almost surely, 2^129233198801 is an apocalyptic number.

It is an amenable number.

129233198801 is a deficient number, since it is larger than the sum of its proper divisors (18966661039).

129233198801 is an equidigital number, since it uses as much as digits as its factorization.

129233198801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50024.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 129233198801 in words is "one hundred twenty-nine billion, two hundred thirty-three million, one hundred ninety-eight thousand, eight hundred one".