129492201299 has 4 divisors (see below), whose sum is σ = 129542965200. Its totient is φ = 129441437400.

The previous prime is 129492201277. The next prime is 129492201313. The reversal of 129492201299 is 992102294921.

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 129492201299 - 2¹² = 129492197203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129492201229) 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, 25378124 + ... + 25383225.

It is an arithmetic number, because the mean of its divisors is an integer number (32385741300).

Almost surely, 2^129492201299 is an apocalyptic number.

129492201299 is a deficient number, since it is larger than the sum of its proper divisors (50763901).

129492201299 is an equidigital number, since it uses as much as digits as its factorization.

129492201299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50763900.

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 129492201299 in words is "one hundred twenty-nine billion, four hundred ninety-two million, two hundred one thousand, two hundred ninety-nine".