12103332011 has 2 divisors, whose sum is σ = 12103332012. Its totient is φ = 12103332010.

The previous prime is 12103331983. The next prime is 12103332013. The reversal of 12103332011 is 11023330121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103332011 is a prime.

It is a Sophie Germain prime.

Together with 12103332013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12103332013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051666005 + 6051666006.

It is an arithmetic number, because the mean of its divisors is an integer number (6051666006).

Almost surely, 2^12103332011 is an apocalyptic number.

12103332011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103332011 is an equidigital number, since it uses as much as digits as its factorization.

12103332011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12103332011 its reverse (11023330121), we get a palindrome (23126662132).

The spelling of 12103332011 in words is "twelve billion, one hundred three million, three hundred thirty-two thousand, eleven".