12220212127 has 2 divisors, whose sum is σ = 12220212128. Its totient is φ = 12220212126.

The previous prime is 12220212089. The next prime is 12220212131. The reversal of 12220212127 is 72121202221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220212127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12220212098 and 12220212107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12220212157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110106063 + 6110106064.

It is an arithmetic number, because the mean of its divisors is an integer number (6110106064).

Almost surely, 2^12220212127 is an apocalyptic number.

12220212127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12220212127 is an equidigital number, since it uses as much as digits as its factorization.

12220212127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 12220212127 its reverse (72121202221), we get a palindrome (84341414348).

The spelling of 12220212127 in words is "twelve billion, two hundred twenty million, two hundred twelve thousand, one hundred twenty-seven".