12212132011 has 2 divisors, whose sum is σ = 12212132012. Its totient is φ = 12212132010.

The previous prime is 12212131999. The next prime is 12212132017. The reversal of 12212132011 is 11023121221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12212132011 - 2⁹ = 12212131499 is a prime.

It is not a weakly prime, because it can be changed into another prime (12212132017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106066005 + 6106066006.

It is an arithmetic number, because the mean of its divisors is an integer number (6106066006).

Almost surely, 2^12212132011 is an apocalyptic number.

12212132011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212132011 is an equidigital number, since it uses as much as digits as its factorization.

12212132011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12212132011 its reverse (11023121221), we get a palindrome (23235253232).

The spelling of 12212132011 in words is "twelve billion, two hundred twelve million, one hundred thirty-two thousand, eleven".