129802712 has 16 divisors (see below), whose sum is σ = 262101840. Its totient is φ = 59908896.

The previous prime is 129802703. The next prime is 129802721. The reversal of 129802712 is 217208921.

It is a happy number.

129802712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (129802703) and next prime (129802721).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623948 + ... + 624155.

It is an arithmetic number, because the mean of its divisors is an integer number (16381365).

Almost surely, 2^129802712 is an apocalyptic number.

It is an amenable number.

129802712 is an abundant number, since it is smaller than the sum of its proper divisors (132299128).

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

129802712 is a wasteful number, since it uses less digits than its factorization.

129802712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248122 (or 1248118 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 129802712 is about 11393.0993149362. The cubic root of 129802712 is about 506.3233103812.

The spelling of 129802712 in words is "one hundred twenty-nine million, eight hundred two thousand, seven hundred twelve".