12122200021147 has 2 divisors, whose sum is σ = 12122200021148. Its totient is φ = 12122200021146.

The previous prime is 12122200021103. The next prime is 12122200021187. The reversal of 12122200021147 is 74112000222121.

12122200021147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (74112000222121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12122200021147 - 2¹⁹ = 12122199496859 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122200021187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061100010573 + 6061100010574.

It is an arithmetic number, because the mean of its divisors is an integer number (6061100010574).

Almost surely, 2^{12122200021147} is an apocalyptic number.

12122200021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122200021147 is an equidigital number, since it uses as much as digits as its factorization.

12122200021147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 12122200021147 its reverse (74112000222121), we get a palindrome (86234200243268).

The spelling of 12122200021147 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, twenty-one thousand, one hundred forty-seven".