2012220100061 has 2 divisors, whose sum is σ = 2012220100062. Its totient is φ = 2012220100060.

The previous prime is 2012220100021. The next prime is 2012220100103. The reversal of 2012220100061 is 1600010222102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2004008296900 + 8211803161 = 1415630^2 + 90619^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012220100061 - 2¹⁴ = 2012220083677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012220100001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006110050030 + 1006110050031.

It is an arithmetic number, because the mean of its divisors is an integer number (1006110050031).

Almost surely, 2^{2012220100061} is an apocalyptic number.

It is an amenable number.

2012220100061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012220100061 is an equidigital number, since it uses as much as digits as its factorization.

2012220100061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2012220100061 its reverse (1600010222102), we get a palindrome (3612230322163).

The spelling of 2012220100061 in words is "two trillion, twelve billion, two hundred twenty million, one hundred thousand, sixty-one".