212100123122110 has 64 divisors (see below), whose sum is σ = 405991711641600. Its totient is φ = 79613773379712.

The previous prime is 212100123122101. The next prime is 212100123122123. The reversal of 212100123122110 is 11221321001212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34322770 + ... + 40028149.

It is an arithmetic number, because the mean of its divisors is an integer number (6343620494400).

Almost surely, 2^{212100123122110} is an apocalyptic number.

212100123122110 is a deficient number, since it is larger than the sum of its proper divisors (193891588519490).

212100123122110 is a wasteful number, since it uses less digits than its factorization.

212100123122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74351185.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 212100123122110 its reverse (11221321001212), we get a palindrome (223321444123322).

The spelling of 212100123122110 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred ten".