129226325000 has 48 divisors (see below), whose sum is σ = 302854873860. Its totient is φ = 51690520000.

The previous prime is 129226324979. The next prime is 129226325003. The reversal of 129226325000 is 523622921.

It can be written as a sum of positive squares in 6 ways, for example, as 5712034084 + 123514290916 = 75578^2 + 351446^2 .

It is not an unprimeable number, because it can be changed into a prime (129226325003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2559527 + ... + 2609526.

Almost surely, 2^129226325000 is an apocalyptic number.

129226325000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129226325000 is an abundant number, since it is smaller than the sum of its proper divisors (173628548860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129226325000 is an frugal number, since it uses more digits than its factorization.

129226325000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169084 (or 5169060 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 129226325000 its reverse (523622921), we get a palindrome (129749947921).

The spelling of 129226325000 in words is "one hundred twenty-nine billion, two hundred twenty-six million, three hundred twenty-five thousand".