212012222103 has 24 divisors (see below), whose sum is σ = 334345415040. Its totient is φ = 128390121360.

The previous prime is 212012222021. The next prime is 212012222117. The reversal of 212012222103 is 301222210212.

It is not a de Polignac number, because 212012222103 - 2²⁶ = 211945113239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012222143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 725851 + ... + 975132.

It is an arithmetic number, because the mean of its divisors is an integer number (13931058960).

Almost surely, 2^212012222103 is an apocalyptic number.

212012222103 is a deficient number, since it is larger than the sum of its proper divisors (122333192937).

212012222103 is a wasteful number, since it uses less digits than its factorization.

212012222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702259 (or 1702256 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212012222103 its reverse (301222210212), we get a palindrome (513234432315).

The spelling of 212012222103 in words is "two hundred twelve billion, twelve million, two hundred twenty-two thousand, one hundred three".