129028303888 has 40 divisors (see below), whose sum is σ = 284576268096. Its totient is φ = 56099260800.

The previous prime is 129028303883. The next prime is 129028303913. The reversal of 129028303888 is 888303820921.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (129028303883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15933243 + ... + 15941338.

Almost surely, 2^129028303888 is an apocalyptic number.

It is an amenable number.

129028303888 is an abundant number, since it is smaller than the sum of its proper divisors (155547964208).

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

129028303888 is a wasteful number, since it uses less digits than its factorization.

129028303888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31874623 (or 31874617 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 129028303888 in words is "one hundred twenty-nine billion, twenty-eight million, three hundred three thousand, eight hundred eighty-eight".