12211144097 has 2 divisors, whose sum is σ = 12211144098. Its totient is φ = 12211144096.

The previous prime is 12211144093. The next prime is 12211144133. The reversal of 12211144097 is 79044111221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12105280576 + 105863521 = 110024^2 + 10289^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211144097 - 2² = 12211144093 is a prime.

It is a super-2 number, since 2×12211144097² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12211144093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105572048 + 6105572049.

It is an arithmetic number, because the mean of its divisors is an integer number (6105572049).

Almost surely, 2^12211144097 is an apocalyptic number.

It is an amenable number.

12211144097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211144097 is an equidigital number, since it uses as much as digits as its factorization.

12211144097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The spelling of 12211144097 in words is "twelve billion, two hundred eleven million, one hundred forty-four thousand, ninety-seven".