129054240000 has 1620 divisors, whose sum is σ = 567794747520. Its totient is φ = 28062720000.

The previous prime is 129054239983. The next prime is 129054240017. The reversal of 129054240000 is 42450921.

It is an interprime number because it is at equal distance from previous prime (129054239983) and next prime (129054240017).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 2187359971 + ... + 2187360029.

Almost surely, 2^129054240000 is an apocalyptic number.

129054240000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129054240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283897373760).

129054240000 is an abundant number, since it is smaller than the sum of its proper divisors (438740507520).

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

129054240000 is an equidigital number, since it uses as much as digits as its factorization.

129054240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 129054240000 its reverse (42450921), we get a palindrome (129096690921).

The spelling of 129054240000 in words is "one hundred twenty-nine billion, fifty-four million, two hundred forty thousand".