12021123332 has 24 divisors (see below), whose sum is σ = 21808829952. Its totient is φ = 5791694400.

The previous prime is 12021123311. The next prime is 12021123337. The reversal of 12021123332 is 23332112021.

It is not an unprimeable number, because it can be changed into a prime (12021123337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179144 + ... + 236927.

It is an arithmetic number, because the mean of its divisors is an integer number (908701248).

Almost surely, 2^12021123332 is an apocalyptic number.

It is an amenable number.

12021123332 is a deficient number, since it is larger than the sum of its proper divisors (9787706620).

12021123332 is a wasteful number, since it uses less digits than its factorization.

12021123332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416339 (or 416337 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12021123332 its reverse (23332112021), we get a palindrome (35353235353).

The spelling of 12021123332 in words is "twelve billion, twenty-one million, one hundred twenty-three thousand, three hundred thirty-two".