129424850860 has 48 divisors (see below), whose sum is σ = 276577862400. Its totient is φ = 50859520704.

The previous prime is 129424850851. The next prime is 129424850881. The reversal of 129424850860 is 68058424921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828489 + ... + 1897951.

It is an arithmetic number, because the mean of its divisors is an integer number (5762038800).

Almost surely, 2^129424850860 is an apocalyptic number.

129424850860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129424850860 is an abundant number, since it is smaller than the sum of its proper divisors (147153011540).

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

129424850860 is a wasteful number, since it uses less digits than its factorization.

129424850860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71110 (or 71108 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 129424850860 in words is "one hundred twenty-nine billion, four hundred twenty-four million, eight hundred fifty thousand, eight hundred sixty".