12021211022 has 8 divisors (see below), whose sum is σ = 18653603400. Its totient is φ = 5803343224.

The previous prime is 12021210983. The next prime is 12021211117. The reversal of 12021211022 is 22011212021.

12021211022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 12021210988 and 12021211006.

It is a congruent number.

It is an unprimeable number.

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, 103631072 + ... + 103631187.

It is an arithmetic number, because the mean of its divisors is an integer number (2331700425).

Almost surely, 2^12021211022 is an apocalyptic number.

12021211022 is a deficient number, since it is larger than the sum of its proper divisors (6632392378).

12021211022 is a wasteful number, since it uses less digits than its factorization.

12021211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207262290.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021211022 its reverse (22011212021), we get a palindrome (34032423043).

Subtracting 12021211022 from its reverse (22011212021), we obtain a palindrome (9990000999).

The spelling of 12021211022 in words is "twelve billion, twenty-one million, two hundred eleven thousand, twenty-two".