230212121166 has 32 divisors (see below), whose sum is σ = 511635916800. Its totient is φ = 76729359960.

The previous prime is 230212121159. The next prime is 230212121171. The reversal of 230212121166 is 661121212032.

230212121166 is a `hidden beast` number, since 230 + 212 + 1 + 211 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311005 + ... + 746423.

It is an arithmetic number, because the mean of its divisors is an integer number (15988622400).

Almost surely, 2^230212121166 is an apocalyptic number.

230212121166 is an abundant number, since it is smaller than the sum of its proper divisors (281423795634).

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

230212121166 is a wasteful number, since it uses less digits than its factorization.

230212121166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445221 (or 445215 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 230212121166 its reverse (661121212032), we get a palindrome (891333333198).

The spelling of 230212121166 in words is "two hundred thirty billion, two hundred twelve million, one hundred twenty-one thousand, one hundred sixty-six".