12211012141 has 2 divisors, whose sum is σ = 12211012142. Its totient is φ = 12211012140.

The previous prime is 12211012081. The next prime is 12211012159. The reversal of 12211012141 is 14121011221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12009968100 + 201044041 = 109590^2 + 14179^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211012141 - 2¹¹ = 12211010093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211012241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105506070 + 6105506071.

It is an arithmetic number, because the mean of its divisors is an integer number (6105506071).

Almost surely, 2^12211012141 is an apocalyptic number.

It is an amenable number.

12211012141 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211012141 is an equidigital number, since it uses as much as digits as its factorization.

12211012141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211012141 its reverse (14121011221), we get a palindrome (26332023362).

The spelling of 12211012141 in words is "twelve billion, two hundred eleven million, twelve thousand, one hundred forty-one".