123884012 has 12 divisors (see below), whose sum is σ = 247768080. Its totient is φ = 53093136.

The previous prime is 123883987. The next prime is 123884021. The reversal of 123884012 is 210488321.

123884012 is an admirable number.

It is a super-2 number, since 2×123884012² = 30694496858432288, which contains 22 as substring.

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, 2212187 + ... + 2212242.

It is an arithmetic number, because the mean of its divisors is an integer number (20647340).

Almost surely, 2^123884012 is an apocalyptic number.

It is an amenable number.

123884012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123884012 is a wasteful number, since it uses less digits than its factorization.

123884012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424440 (or 4424438 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 123884012 is about 11130.3194922698. The cubic root of 123884012 is about 498.5075657120.

The spelling of 123884012 in words is "one hundred twenty-three million, eight hundred eighty-four thousand, twelve".