12011100222123 has 24 divisors (see below), whose sum is σ = 17608952301200. Its totient is φ = 7887600224064.

The previous prime is 12011100222109. The next prime is 12011100222131. The reversal of 12011100222123 is 32122200111021.

It is not a de Polignac number, because 12011100222123 - 2⁵ = 12011100222091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12011100222096 and 12011100222105.

It is not an unprimeable number, because it can be changed into a prime (12011100222323) 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, 16940013 + ... + 17634801.

Almost surely, 2^{12011100222123} is an apocalyptic number.

12011100222123 is a deficient number, since it is larger than the sum of its proper divisors (5597852079077).

12011100222123 is a wasteful number, since it uses less digits than its factorization.

12011100222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723531 (or 723528 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12011100222123 its reverse (32122200111021), we get a palindrome (44133300333144).

The spelling of 12011100222123 in words is "twelve trillion, eleven billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-three".