12221201001127 has 2 divisors, whose sum is σ = 12221201001128. Its totient is φ = 12221201001126.

The previous prime is 12221201001091. The next prime is 12221201001143. The reversal of 12221201001127 is 72110010212221.

12221201001127 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12221201001127 - 2¹¹ = 12221200999079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221201001098 and 12221201001107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221201001167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110600500563 + 6110600500564.

It is an arithmetic number, because the mean of its divisors is an integer number (6110600500564).

Almost surely, 2^{12221201001127} is an apocalyptic number.

12221201001127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221201001127 is an equidigital number, since it uses as much as digits as its factorization.

12221201001127 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 22.

Adding to 12221201001127 its reverse (72110010212221), we get a palindrome (84331211213348).

The spelling of 12221201001127 in words is "twelve trillion, two hundred twenty-one billion, two hundred one million, one thousand, one hundred twenty-seven".