129700099320 has 256 divisors, whose sum is σ = 428305812480. Its totient is φ = 31159910400.

The previous prime is 129700099313. The next prime is 129700099339. The reversal of 129700099320 is 23990007921.

It is a happy number.

It is a Cunningham number, because it is equal to 360139²-1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79229542 + ... + 79231178.

It is an arithmetic number, because the mean of its divisors is an integer number (1673069580).

Almost surely, 2^129700099320 is an apocalyptic number.

129700099320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129700099320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214152906240).

129700099320 is an abundant number, since it is smaller than the sum of its proper divisors (298605713160).

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

129700099320 is a wasteful number, since it uses less digits than its factorization.

129700099320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The spelling of 129700099320 in words is "one hundred twenty-nine billion, seven hundred million, ninety-nine thousand, three hundred twenty".