12201021112127 has 2 divisors, whose sum is σ = 12201021112128. Its totient is φ = 12201021112126.

The previous prime is 12201021112073. The next prime is 12201021112139. The reversal of 12201021112127 is 72121112010221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201021112127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201021112187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100510556063 + 6100510556064.

It is an arithmetic number, because the mean of its divisors is an integer number (6100510556064).

Almost surely, 2^{12201021112127} is an apocalyptic number.

12201021112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201021112127 is an equidigital number, since it uses as much as digits as its factorization.

12201021112127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 12201021112127 its reverse (72121112010221), we get a palindrome (84322133122348).

The spelling of 12201021112127 in words is "twelve trillion, two hundred one billion, twenty-one million, one hundred twelve thousand, one hundred twenty-seven".