129470929880 has 32 divisors (see below), whose sum is σ = 291881955600. Its totient is φ = 51686618496.

The previous prime is 129470929871. The next prime is 129470929897. The reversal of 129470929880 is 88929074921.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3159182 + ... + 3199901.

Almost surely, 2^129470929880 is an apocalyptic number.

129470929880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129470929880 is an abundant number, since it is smaller than the sum of its proper divisors (162411025720).

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

129470929880 is a wasteful number, since it uses less digits than its factorization.

129470929880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6359603 (or 6359599 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 129470929880 in words is "one hundred twenty-nine billion, four hundred seventy million, nine hundred twenty-nine thousand, eight hundred eighty".