1123222233212 has 48 divisors (see below), whose sum is σ = 2024053489920. Its totient is φ = 545088362112.

The previous prime is 1123222233193. The next prime is 1123222233229. The reversal of 1123222233212 is 2123322223211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149619563 + ... + 149627069.

It is an arithmetic number, because the mean of its divisors is an integer number (42167781040).

Almost surely, 2^{1123222233212} is an apocalyptic number.

It is an amenable number.

1123222233212 is a deficient number, since it is larger than the sum of its proper divisors (900831256708).

1123222233212 is a wasteful number, since it uses less digits than its factorization.

1123222233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12930 (or 12928 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 1123222233212 its reverse (2123322223211), we get a palindrome (3246544456423).

The spelling of 1123222233212 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-two million, two hundred thirty-three thousand, two hundred twelve".