12032421122 has 4 divisors (see below), whose sum is σ = 18048631686. Its totient is φ = 6016210560.

The previous prime is 12032421113. The next prime is 12032421157. The reversal of 12032421122 is 22112423021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8546817601 + 3485603521 = 92449^2 + 59039^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12032421094 and 12032421103.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3008105279 + ... + 3008105282.

Almost surely, 2^12032421122 is an apocalyptic number.

12032421122 is a deficient number, since it is larger than the sum of its proper divisors (6016210564).

12032421122 is an equidigital number, since it uses as much as digits as its factorization.

12032421122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016210563.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12032421122 its reverse (22112423021), we get a palindrome (34144844143).

The spelling of 12032421122 in words is "twelve billion, thirty-two million, four hundred twenty-one thousand, one hundred twenty-two".