102166012 has 24 divisors (see below), whose sum is σ = 194258736. Its totient is φ = 46733568.

The previous prime is 102166007. The next prime is 102166013. The reversal of 102166012 is 210661201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102166013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2818 + ... + 14569.

It is an arithmetic number, because the mean of its divisors is an integer number (8094114).

Almost surely, 2^102166012 is an apocalyptic number.

It is an amenable number.

102166012 is a deficient number, since it is larger than the sum of its proper divisors (92092724).

102166012 is a wasteful number, since it uses less digits than its factorization.

102166012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17517 (or 17515 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 102166012 is about 10107.7204156031. The cubic root of 102166012 is about 467.4862199604.

The spelling of 102166012 in words is "one hundred two million, one hundred sixty-six thousand, twelve".