212012110110 has 64 divisors (see below), whose sum is σ = 522696110400. Its totient is φ = 54996452352.

The previous prime is 212012110069. The next prime is 212012110111. The reversal of 212012110110 is 11011210212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5741386 + ... + 5778194.

It is an arithmetic number, because the mean of its divisors is an integer number (8167126725).

Almost surely, 2^212012110110 is an apocalyptic number.

212012110110 is an abundant number, since it is smaller than the sum of its proper divisors (310684000290).

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

212012110110 is a wasteful number, since it uses less digits than its factorization.

212012110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42045.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212012110110 its reverse (11011210212), we get a palindrome (223023320322).

The spelling of 212012110110 in words is "two hundred twelve billion, twelve million, one hundred ten thousand, one hundred ten".