12400884011 has 2 divisors, whose sum is σ = 12400884012. Its totient is φ = 12400884010.

The previous prime is 12400883969. The next prime is 12400884043. The reversal of 12400884011 is 11048800421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12400884011 is a prime.

It is not a weakly prime, because it can be changed into another prime (12400884611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200442005 + 6200442006.

It is an arithmetic number, because the mean of its divisors is an integer number (6200442006).

Almost surely, 2^12400884011 is an apocalyptic number.

12400884011 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400884011 is an equidigital number, since it uses as much as digits as its factorization.

12400884011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 29.

The spelling of 12400884011 in words is "twelve billion, four hundred million, eight hundred eighty-four thousand, eleven".