12231233235524 has 24 divisors (see below), whose sum is σ = 22918404652920. Its totient is φ = 5691201714176.

The previous prime is 12231233235493. The next prime is 12231233235539. The reversal of 12231233235524 is 42553233213221.

It can be written as a sum of positive squares in 4 ways, for example, as 2937076164100 + 9294157071424 = 1713790^2 + 3048632^2 .

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, 1010505617 + ... + 1010517720.

It is an arithmetic number, because the mean of its divisors is an integer number (954933527205).

Almost surely, 2^{12231233235524} is an apocalyptic number.

It is an amenable number.

12231233235524 is a deficient number, since it is larger than the sum of its proper divisors (10687171417396).

12231233235524 is a wasteful number, since it uses less digits than its factorization.

12231233235524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021023447 (or 2021023445 counting only the distinct ones).

The product of its digits is 259200, while the sum is 38.

Adding to 12231233235524 its reverse (42553233213221), we get a palindrome (54784466448745).

The spelling of 12231233235524 in words is "twelve trillion, two hundred thirty-one billion, two hundred thirty-three million, two hundred thirty-five thousand, five hundred twenty-four".