12001211022 has 8 divisors (see below), whose sum is σ = 24002422056. Its totient is φ = 4000403672.

The previous prime is 12001211021. The next prime is 12001211059. The reversal of 12001211022 is 22011210021.

It is a sphenic number, since it is the product of 3 distinct primes.

12001211022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12001210989 and 12001211007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001211021) 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 3 ways as a sum of consecutive naturals, for example, 1000100913 + ... + 1000100924.

It is an arithmetic number, because the mean of its divisors is an integer number (3000302757).

Almost surely, 2^12001211022 is an apocalyptic number.

12001211022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12001211022 is a wasteful number, since it uses less digits than its factorization.

12001211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000201842.

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

Adding to 12001211022 its reverse (22011210021), we get a palindrome (34012421043).

The spelling of 12001211022 in words is "twelve billion, one million, two hundred eleven thousand, twenty-two".