12122322211021 has 8 divisors (see below), whose sum is σ = 13224517012800. Its totient is φ = 11020154994240.

The previous prime is 12122322211009. The next prime is 12122322211123. The reversal of 12122322211021 is 12011222322121.

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

It is a cyclic number.

It is not a de Polignac number, because 12122322211021 - 2⁷ = 12122322210893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122322210983 and 12122322211001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122322214021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972001 + ... + 7740118.

It is an arithmetic number, because the mean of its divisors is an integer number (1653064626600).

Almost surely, 2^{12122322211021} is an apocalyptic number.

12122322211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12122322211021 is a deficient number, since it is larger than the sum of its proper divisors (1102194801779).

12122322211021 is a wasteful number, since it uses less digits than its factorization.

12122322211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13792499.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12122322211021 its reverse (12011222322121), we get a palindrome (24133544533142).

The spelling of 12122322211021 in words is "twelve trillion, one hundred twenty-two billion, three hundred twenty-two million, two hundred eleven thousand, twenty-one".