212211010168 has 8 divisors (see below), whose sum is σ = 397895644080. Its totient is φ = 106105505080.

The previous prime is 212211010117. The next prime is 212211010169. The reversal of 212211010168 is 861010112212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211010169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13263188128 + ... + 13263188143.

It is an arithmetic number, because the mean of its divisors is an integer number (49736955510).

Almost surely, 2^212211010168 is an apocalyptic number.

It is an amenable number.

212211010168 is a deficient number, since it is larger than the sum of its proper divisors (185684633912).

212211010168 is a wasteful number, since it uses less digits than its factorization.

212211010168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26526376277 (or 26526376273 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The spelling of 212211010168 in words is "two hundred twelve billion, two hundred eleven million, ten thousand, one hundred sixty-eight".