12123233222 has 16 divisors (see below), whose sum is σ = 19377195840. Its totient is φ = 5668710528.

The previous prime is 12123233219. The next prime is 12123233249. The reversal of 12123233222 is 22233232121.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1130222 + ... + 1140897.

It is an arithmetic number, because the mean of its divisors is an integer number (1211074740).

Almost surely, 2^12123233222 is an apocalyptic number.

12123233222 is a deficient number, since it is larger than the sum of its proper divisors (7253962618).

12123233222 is a wasteful number, since it uses less digits than its factorization.

12123233222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271295.

The product of its digits is 1728, while the sum is 23.

Adding to 12123233222 its reverse (22233232121), we get a palindrome (34356465343).

The spelling of 12123233222 in words is "twelve billion, one hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty-two".