2212104012123 has 16 divisors (see below), whose sum is σ = 3123100164096. Its totient is φ = 1387929144960.

The previous prime is 2212104012101. The next prime is 2212104012169. The reversal of 2212104012123 is 3212104012122.

It is a happy number.

It is not a de Polignac number, because 2212104012123 - 2⁵ = 2212104012091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212104012123.

It is not an unprimeable number, because it can be changed into a prime (2212104012193) 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 15 ways as a sum of consecutive naturals, for example, 354790 + ... + 2133092.

It is an arithmetic number, because the mean of its divisors is an integer number (195193760256).

Almost surely, 2^{2212104012123} is an apocalyptic number.

2212104012123 is a deficient number, since it is larger than the sum of its proper divisors (910996151973).

2212104012123 is a wasteful number, since it uses less digits than its factorization.

2212104012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802714.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2212104012123 its reverse (3212104012122), we get a palindrome (5424208024245).

Subtracting 2212104012123 from its reverse (3212104012122), we obtain a palindrome (999999999999).

The spelling of 2212104012123 in words is "two trillion, two hundred twelve billion, one hundred four million, twelve thousand, one hundred twenty-three".