12210061 has 2 divisors, whose sum is σ = 12210062. Its totient is φ = 12210060.

The previous prime is 12210059. The next prime is 12210067. The reversal of 12210061 is 16001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 2025 = 3494^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 12210061 - 2¹ = 12210059 is a prime.

Together with 12210059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105030 + 6105031.

It is an arithmetic number, because the mean of its divisors is an integer number (6105031).

Almost surely, 2^12210061 is an apocalyptic number.

It is an amenable number.

12210061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210061 is an equidigital number, since it uses as much as digits as its factorization.

12210061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 12210061 is about 3494.2897704684. The cubic root of 12210061 is about 230.2710163811.

Adding to 12210061 its reverse (16001221), we get a palindrome (28211282).

The spelling of 12210061 in words is "twelve million, two hundred ten thousand, sixty-one".