129152612 has 12 divisors (see below), whose sum is σ = 226098096. Its totient is φ = 64553160.

The previous prime is 129152509. The next prime is 129152629. The reversal of 129152612 is 216251921.

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, 15323 + ... + 22205.

It is an arithmetic number, because the mean of its divisors is an integer number (18841508).

Almost surely, 2^129152612 is an apocalyptic number.

It is an amenable number.

129152612 is a deficient number, since it is larger than the sum of its proper divisors (96945484).

129152612 is a wasteful number, since it uses less digits than its factorization.

129152612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11578 (or 11576 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 129152612 is about 11364.5330744382. The cubic root of 129152612 is about 505.4766104605.

The spelling of 129152612 in words is "one hundred twenty-nine million, one hundred fifty-two thousand, six hundred twelve".