129230359380 has 72 divisors (see below), whose sum is σ = 392092620192. Its totient is φ = 34453177536.

The previous prime is 129230359369. The next prime is 129230359493. The reversal of 129230359380 is 83953032921.

129230359380 is a `hidden beast` number, since 1 + 2 + 9 + 230 + 35 + 9 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 687127 + ... + 854753.

It is an arithmetic number, because the mean of its divisors is an integer number (5445730836).

Almost surely, 2^129230359380 is an apocalyptic number.

129230359380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129230359380 is an abundant number, since it is smaller than the sum of its proper divisors (262862260812).

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

129230359380 is a wasteful number, since it uses less digits than its factorization.

129230359380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171925 (or 171920 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 129230359380 in words is "one hundred twenty-nine billion, two hundred thirty million, three hundred fifty-nine thousand, three hundred eighty".