12001332122 has 16 divisors (see below), whose sum is σ = 19455283680. Its totient is φ = 5519500272.

The previous prime is 12001332113. The next prime is 12001332143. The reversal of 12001332122 is 22123310021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001332122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808172 + ... + 822887.

It is an arithmetic number, because the mean of its divisors is an integer number (1215955230).

Almost surely, 2^12001332122 is an apocalyptic number.

12001332122 is a deficient number, since it is larger than the sum of its proper divisors (7453951558).

12001332122 is a wasteful number, since it uses less digits than its factorization.

12001332122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631357.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12001332122 its reverse (22123310021), we get a palindrome (34124642143).

The spelling of 12001332122 in words is "twelve billion, one million, three hundred thirty-two thousand, one hundred twenty-two".