12022121200261 has 2 divisors, whose sum is σ = 12022121200262. Its totient is φ = 12022121200260.

The previous prime is 12022121200183. The next prime is 12022121200277. The reversal of 12022121200261 is 16200212122021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7192319422500 + 4829801777761 = 2681850^2 + 2197681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12022121200261 - 2¹³ = 12022121192069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12022121200361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011060600130 + 6011060600131.

It is an arithmetic number, because the mean of its divisors is an integer number (6011060600131).

Almost surely, 2^{12022121200261} is an apocalyptic number.

It is an amenable number.

12022121200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022121200261 is an equidigital number, since it uses as much as digits as its factorization.

12022121200261 is an evil number, because the sum of its binary digits is even.

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

Adding to 12022121200261 its reverse (16200212122021), we get a palindrome (28222333322282).

The spelling of 12022121200261 in words is "twelve trillion, twenty-two billion, one hundred twenty-one million, two hundred thousand, two hundred sixty-one".