129223411000 has 32 divisors (see below), whose sum is σ = 302382784080. Its totient is φ = 51689364000.

The previous prime is 129223410991. The next prime is 129223411001. The reversal of 129223411000 is 114322921.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129223411001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64610706 + ... + 64612705.

Almost surely, 2^129223411000 is an apocalyptic number.

129223411000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129223411000 is an abundant number, since it is smaller than the sum of its proper divisors (173159373080).

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

129223411000 is a wasteful number, since it uses less digits than its factorization.

129223411000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129223432 (or 129223418 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 129223411000 its reverse (114322921), we get a palindrome (129337733921).

The spelling of 129223411000 in words is "one hundred twenty-nine billion, two hundred twenty-three million, four hundred eleven thousand".