12121122032 has 20 divisors (see below), whose sum is σ = 23490650520. Its totient is φ = 6059018688.

The previous prime is 12121122031. The next prime is 12121122089. The reversal of 12121122032 is 23022112121.

12121122032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12121122032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121122031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30182 + ... + 158597.

It is an arithmetic number, because the mean of its divisors is an integer number (1174532526).

Almost surely, 2^12121122032 is an apocalyptic number.

It is an amenable number.

12121122032 is a deficient number, since it is larger than the sum of its proper divisors (11369528488).

12121122032 is a wasteful number, since it uses less digits than its factorization.

12121122032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192800 (or 192794 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12121122032 its reverse (23022112121), we get a palindrome (35143234153).

The spelling of 12121122032 in words is "twelve billion, one hundred twenty-one million, one hundred twenty-two thousand, thirty-two".