212103335166 has 16 divisors (see below), whose sum is σ = 424219586688. Its totient is φ = 70698959000.

The previous prime is 212103335111. The next prime is 212103335173. The reversal of 212103335166 is 661533301212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317760 + ... + 724691.

It is an arithmetic number, because the mean of its divisors is an integer number (26513724168).

Almost surely, 2^212103335166 is an apocalyptic number.

212103335166 is an abundant number, since it is smaller than the sum of its proper divisors (212116251522).

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

212103335166 is a wasteful number, since it uses less digits than its factorization.

212103335166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076367.

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 212103335166 its reverse (661533301212), we get a palindrome (873636636378).

The spelling of 212103335166 in words is "two hundred twelve billion, one hundred three million, three hundred thirty-five thousand, one hundred sixty-six".