12223123140 has 24 divisors (see below), whose sum is σ = 34224744960. Its totient is φ = 3259499488.

The previous prime is 12223123117. The next prime is 12223123153. The reversal of 12223123140 is 4132132221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101859300 + ... + 101859419.

It is an arithmetic number, because the mean of its divisors is an integer number (1426031040).

Almost surely, 2^12223123140 is an apocalyptic number.

12223123140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12223123140 is an abundant number, since it is smaller than the sum of its proper divisors (22001621820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12223123140 is a wasteful number, since it uses less digits than its factorization.

12223123140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203718731 (or 203718729 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12223123140 its reverse (4132132221), we get a palindrome (16355255361).

The spelling of 12223123140 in words is "twelve billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred forty".