12112020210061 has 2 divisors, whose sum is σ = 12112020210062. Its totient is φ = 12112020210060.

The previous prime is 12112020210041. The next prime is 12112020210107. The reversal of 12112020210061 is 16001202021121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10565951781961 + 1546068428100 = 3250531^2 + 1243410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12112020210061 is a prime.

It is a super-2 number, since 2×12112020210061² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12112020210011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056010105030 + 6056010105031.

It is an arithmetic number, because the mean of its divisors is an integer number (6056010105031).

Almost surely, 2^{12112020210061} is an apocalyptic number.

It is an amenable number.

12112020210061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112020210061 is an equidigital number, since it uses as much as digits as its factorization.

12112020210061 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 19.

Adding to 12112020210061 its reverse (16001202021121), we get a palindrome (28113222231182).

The spelling of 12112020210061 in words is "twelve trillion, one hundred twelve billion, twenty million, two hundred ten thousand, sixty-one".