12210001127 has 2 divisors, whose sum is σ = 12210001128. Its totient is φ = 12210001126.

The previous prime is 12210001123. The next prime is 12210001189. The reversal of 12210001127 is 72110001221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210001127 - 2² = 12210001123 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210001121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105000563 + 6105000564.

It is an arithmetic number, because the mean of its divisors is an integer number (6105000564).

Almost surely, 2^12210001127 is an apocalyptic number.

12210001127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210001127 is an equidigital number, since it uses as much as digits as its factorization.

12210001127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 12210001127 its reverse (72110001221), we get a palindrome (84320002348).

The spelling of 12210001127 in words is "twelve billion, two hundred ten million, one thousand, one hundred twenty-seven".