12220000212123 has 16 divisors (see below), whose sum is σ = 19749495292800. Its totient is φ = 7406060734440.

The previous prime is 12220000212109. The next prime is 12220000212139. The reversal of 12220000212123 is 32121200002221.

It is not a de Polignac number, because 12220000212123 - 2¹⁰ = 12220000211099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220000212096 and 12220000212105.

It is not an unprimeable number, because it can be changed into a prime (12220000212103) 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, 20572390633 + ... + 20572391226.

It is an arithmetic number, because the mean of its divisors is an integer number (1234343455800).

Almost surely, 2^{12220000212123} is an apocalyptic number.

12220000212123 is a deficient number, since it is larger than the sum of its proper divisors (7529495080677).

12220000212123 is a wasteful number, since it uses less digits than its factorization.

12220000212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41144781879 (or 41144781873 counting only the distinct ones).

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

Adding to 12220000212123 its reverse (32121200002221), we get a palindrome (44341200214344).

The spelling of 12220000212123 in words is "twelve trillion, two hundred twenty billion, two hundred twelve thousand, one hundred twenty-three".