129384252960 has 192 divisors, whose sum is σ = 422293253760. Its totient is φ = 33277337600.

The previous prime is 129384252941. The next prime is 129384252979. The reversal of 129384252960 is 69252483921.

It is an interprime number because it is at equal distance from previous prime (129384252941) and next prime (129384252979).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457860 + ... + 1544060.

It is an arithmetic number, because the mean of its divisors is an integer number (2199444030).

Almost surely, 2^129384252960 is an apocalyptic number.

129384252960 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 129384252960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211146626880).

129384252960 is an abundant number, since it is smaller than the sum of its proper divisors (292909000800).

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

129384252960 is a wasteful number, since it uses less digits than its factorization.

129384252960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86331 (or 86323 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 129384252960 in words is "one hundred twenty-nine billion, three hundred eighty-four million, two hundred fifty-two thousand, nine hundred sixty".