12012001122 has 32 divisors (see below), whose sum is σ = 26414383104. Its totient is φ = 3611336400.

The previous prime is 12012001103. The next prime is 12012001129. The reversal of 12012001122 is 22110021021.

It is a junction number, because it is equal to n+sod(n) for n = 12012001098 and 12012001107.

It is not an unprimeable number, because it can be changed into a prime (12012001129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 708154 + ... + 724917.

It is an arithmetic number, because the mean of its divisors is an integer number (825449472).

Almost surely, 2^12012001122 is an apocalyptic number.

12012001122 is an abundant number, since it is smaller than the sum of its proper divisors (14402381982).

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

12012001122 is a wasteful number, since it uses less digits than its factorization.

12012001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433214.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12012001122 its reverse (22110021021), we get a palindrome (34122022143).

The spelling of 12012001122 in words is "twelve billion, twelve million, one thousand, one hundred twenty-two".