12123490214 has 24 divisors (see below), whose sum is σ = 19996992624. Its totient is φ = 5508399600.

The previous prime is 12123490163. The next prime is 12123490217. The reversal of 12123490214 is 41209432121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123490217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667919 + ... + 685829.

It is an arithmetic number, because the mean of its divisors is an integer number (833208026).

Almost surely, 2^12123490214 is an apocalyptic number.

12123490214 is a deficient number, since it is larger than the sum of its proper divisors (7873502410).

12123490214 is a wasteful number, since it uses less digits than its factorization.

12123490214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20732 (or 20721 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 12123490214 in words is "twelve billion, one hundred twenty-three million, four hundred ninety thousand, two hundred fourteen".