20121122212027 has 2 divisors, whose sum is σ = 20121122212028. Its totient is φ = 20121122212026.

The previous prime is 20121122212021. The next prime is 20121122212031. The reversal of 20121122212027 is 72021222112102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20121122212027 - 2³⁹ = 19571366398139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20121122211992 and 20121122212010.

It is not a weakly prime, because it can be changed into another prime (20121122212021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060561106013 + 10060561106014.

It is an arithmetic number, because the mean of its divisors is an integer number (10060561106014).

Almost surely, 2^{20121122212027} is an apocalyptic number.

20121122212027 is a deficient number, since it is larger than the sum of its proper divisors (1).

20121122212027 is an equidigital number, since it uses as much as digits as its factorization.

20121122212027 is an odious number, because the sum of its binary digits is odd.

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

Adding to 20121122212027 its reverse (72021222112102), we get a palindrome (92142344324129).

The spelling of 20121122212027 in words is "twenty trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twelve thousand, twenty-seven".