2212112200123 has 16 divisors (see below), whose sum is σ = 2562891199936. Its totient is φ = 1870026600960.

The previous prime is 2212112200121. The next prime is 2212112200127. The reversal of 2212112200123 is 3210022112122.

It is not a de Polignac number, because 2212112200123 - 2¹ = 2212112200121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212112200123.

It is not an unprimeable number, because it can be changed into a prime (2212112200121) 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, 10975033 + ... + 11174773.

It is an arithmetic number, because the mean of its divisors is an integer number (160180699996).

Almost surely, 2^{2212112200123} is an apocalyptic number.

2212112200123 is a deficient number, since it is larger than the sum of its proper divisors (350778999813).

2212112200123 is a wasteful number, since it uses less digits than its factorization.

2212112200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221494.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2212112200123 its reverse (3210022112122), we get a palindrome (5422134312245).

The spelling of 2212112200123 in words is "two trillion, two hundred twelve billion, one hundred twelve million, two hundred thousand, one hundred twenty-three".