12124205011 has 2 divisors, whose sum is σ = 12124205012. Its totient is φ = 12124205010.

The previous prime is 12124204991. The next prime is 12124205053. The reversal of 12124205011 is 11050242121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12124205011 - 2¹¹ = 12124202963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12124205011.

It is not a weakly prime, because it can be changed into another prime (12124205411) 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, 6062102505 + 6062102506.

It is an arithmetic number, because the mean of its divisors is an integer number (6062102506).

Almost surely, 2^12124205011 is an apocalyptic number.

12124205011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124205011 is an equidigital number, since it uses as much as digits as its factorization.

12124205011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12124205011 its reverse (11050242121), we get a palindrome (23174447132).

The spelling of 12124205011 in words is "twelve billion, one hundred twenty-four million, two hundred five thousand, eleven".