12100100200061 has 2 divisors, whose sum is σ = 12100100200062. Its totient is φ = 12100100200060.

The previous prime is 12100100200039. The next prime is 12100100200073. The reversal of 12100100200061 is 16000200100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9231206124100 + 2868894075961 = 3038290^2 + 1693781^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100100200061 - 2²² = 12100096005757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100100200361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050050100030 + 6050050100031.

It is an arithmetic number, because the mean of its divisors is an integer number (6050050100031).

Almost surely, 2^{12100100200061} is an apocalyptic number.

It is an amenable number.

12100100200061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100100200061 is an equidigital number, since it uses as much as digits as its factorization.

12100100200061 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 14.

Adding to 12100100200061 its reverse (16000200100121), we get a palindrome (28100300300182).

The spelling of 12100100200061 in words is "twelve trillion, one hundred billion, one hundred million, two hundred thousand, sixty-one".