129848812 has 18 divisors (see below), whose sum is σ = 239827308. Its totient is φ = 61506648.

The previous prime is 129848791. The next prime is 129848819. The reversal of 129848812 is 218848921.

It is a super-2 number, since 2×129848812² = 33721427955622688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (129848819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43518 + ... + 46405.

Almost surely, 2^129848812 is an apocalyptic number.

It is an amenable number.

129848812 is a deficient number, since it is larger than the sum of its proper divisors (109978496).

129848812 is a wasteful number, since it uses less digits than its factorization.

129848812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89965 (or 89944 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The square root of 129848812 is about 11395.1222898221. The cubic root of 129848812 is about 506.3832442647.

The spelling of 129848812 in words is "one hundred twenty-nine million, eight hundred forty-eight thousand, eight hundred twelve".