129298770240 has 112 divisors (see below), whose sum is σ = 416305837440. Its totient is φ = 33994024960.

The previous prime is 129298770239. The next prime is 129298770241. The reversal of 129298770240 is 42077892921.

It is an interprime number because it is at equal distance from previous prime (129298770239) and next prime (129298770241).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129298770241) 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 15 ways as a sum of consecutive naturals, for example, 880335 + ... + 1016654.

Almost surely, 2^129298770240 is an apocalyptic number.

129298770240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129298770240 is an abundant number, since it is smaller than the sum of its proper divisors (287007067200).

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

129298770240 is a wasteful number, since it uses less digits than its factorization.

129298770240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897080 (or 1897070 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 129298770240 in words is "one hundred twenty-nine billion, two hundred ninety-eight million, seven hundred seventy thousand, two hundred forty".