102168812 has 12 divisors (see below), whose sum is σ = 178895640. Its totient is φ = 51055776.

The previous prime is 102168811. The next prime is 102168851. The reversal of 102168812 is 218861201.

It is a super-2 number, since 2×102168812² = 20876932290982688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102168811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243 + ... + 14469.

It is an arithmetic number, because the mean of its divisors is an integer number (14907970).

Almost surely, 2^102168812 is an apocalyptic number.

It is an amenable number.

102168812 is a deficient number, since it is larger than the sum of its proper divisors (76726828).

102168812 is a wasteful number, since it uses less digits than its factorization.

102168812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14320 (or 14318 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 102168812 is about 10107.8589226403. The cubic root of 102168812 is about 467.4904906222.

The spelling of 102168812 in words is "one hundred two million, one hundred sixty-eight thousand, eight hundred twelve".