212112201222110 has 16 divisors (see below), whose sum is σ = 436345099657056. Its totient is φ = 72724183276128.

The previous prime is 212112201222091. The next prime is 212112201222121. The reversal of 212112201222110 is 11222102211212.

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, 1515087151517 + ... + 1515087151656.

It is an arithmetic number, because the mean of its divisors is an integer number (27271568728566).

Almost surely, 2^{212112201222110} is an apocalyptic number.

212112201222110 is an abundant number, since it is smaller than the sum of its proper divisors (224232898434946).

212112201222110 is a wasteful number, since it uses less digits than its factorization.

212112201222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030174303187.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212112201222110 its reverse (11222102211212), we get a palindrome (223334303433322).

The spelling of 212112201222110 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred one million, two hundred twenty-two thousand, one hundred ten".