129548212 has 6 divisors (see below), whose sum is σ = 226709378. Its totient is φ = 64774104.

The previous prime is 129548203. The next prime is 129548227. The reversal of 129548212 is 212845921.

It can be written as a sum of positive squares in only one way, i.e., 92044836 + 37503376 = 9594^2 + 6124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16193523 + ... + 16193530.

Almost surely, 2^129548212 is an apocalyptic number.

It is an amenable number.

129548212 is a deficient number, since it is larger than the sum of its proper divisors (97161166).

129548212 is a wasteful number, since it uses less digits than its factorization.

129548212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32387057 (or 32387055 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 129548212 is about 11381.9247932852. The cubic root of 129548212 is about 505.9921832701.

The spelling of 129548212 in words is "one hundred twenty-nine million, five hundred forty-eight thousand, two hundred twelve".