2168100212 has 12 divisors (see below), whose sum is σ = 3816896160. Its totient is φ = 1077558456.

The previous prime is 2168100191. The next prime is 2168100223. The reversal of 2168100212 is 2120018612.

It is a congruent number.

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, 1622162 + ... + 1623497.

It is an arithmetic number, because the mean of its divisors is an integer number (318074680).

Almost surely, 2^2168100212 is an apocalyptic number.

It is an amenable number.

2168100212 is a deficient number, since it is larger than the sum of its proper divisors (1648795948).

2168100212 is a wasteful number, since it uses less digits than its factorization.

2168100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245830 (or 3245828 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 2168100212 is about 46562.8630133500. The cubic root of 2168100212 is about 1294.2746666369.

Adding to 2168100212 its reverse (2120018612), we get a palindrome (4288118824).

The spelling of 2168100212 in words is "two billion, one hundred sixty-eight million, one hundred thousand, two hundred twelve".