129845332228 has 12 divisors (see below), whose sum is σ = 227231856460. Its totient is φ = 64921944672.

The previous prime is 129845332217. The next prime is 129845332247. The reversal of 129845332228 is 822233548921.

129845332228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 96129762304 + 33715569924 = 310048^2 + 183618^2 .

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, 593950 + ... + 782602.

Almost surely, 2^129845332228 is an apocalyptic number.

It is an amenable number.

129845332228 is a deficient number, since it is larger than the sum of its proper divisors (97386524232).

129845332228 is a wasteful number, since it uses less digits than its factorization.

129845332228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360726 (or 360724 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The spelling of 129845332228 in words is "one hundred twenty-nine billion, eight hundred forty-five million, three hundred thirty-two thousand, two hundred twenty-eight".