212102414123 has 16 divisors (see below), whose sum is σ = 220654387200. Its totient is φ = 203715189216.

The previous prime is 212102414119. The next prime is 212102414137. The reversal of 212102414123 is 321414201212.

It is not a de Polignac number, because 212102414123 - 2² = 212102414119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212102414023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821690 + ... + 1048512.

It is an arithmetic number, because the mean of its divisors is an integer number (13790899200).

Almost surely, 2^212102414123 is an apocalyptic number.

212102414123 is a deficient number, since it is larger than the sum of its proper divisors (8551973077).

212102414123 is a wasteful number, since it uses less digits than its factorization.

212102414123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227186.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212102414123 its reverse (321414201212), we get a palindrome (533516615335).

The spelling of 212102414123 in words is "two hundred twelve billion, one hundred two million, four hundred fourteen thousand, one hundred twenty-three".