12121122332 has 24 divisors (see below), whose sum is σ = 24501521520. Its totient is φ = 5185506560.

The previous prime is 12121122317. The next prime is 12121122397. The reversal of 12121122332 is 23322112121.

12121122332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8101607 + ... + 8103102.

It is an arithmetic number, because the mean of its divisors is an integer number (1020896730).

Almost surely, 2^12121122332 is an apocalyptic number.

It is an amenable number.

12121122332 is an abundant number, since it is smaller than the sum of its proper divisors (12380399188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121122332 is a wasteful number, since it uses less digits than its factorization.

12121122332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16204741 (or 16204739 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

Adding to 12121122332 its reverse (23322112121), we get a palindrome (35443234453).

The spelling of 12121122332 in words is "twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, three hundred thirty-two".