1123331223412 has 24 divisors (see below), whose sum is σ = 2034214479360. Its totient is φ = 542138469600.

The previous prime is 1123331223409. The next prime is 1123331223461. The reversal of 1123331223412 is 2143221333211.

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, 1025964 + ... + 1816387.

It is an arithmetic number, because the mean of its divisors is an integer number (84758936640).

Almost surely, 2^{1123331223412} is an apocalyptic number.

It is an amenable number.

1123331223412 is a deficient number, since it is larger than the sum of its proper divisors (910883255948).

1123331223412 is a wasteful number, since it uses less digits than its factorization.

1123331223412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845791 (or 2845789 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 1123331223412 its reverse (2143221333211), we get a palindrome (3266552556623).

The spelling of 1123331223412 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-one million, two hundred twenty-three thousand, four hundred twelve".