12111203963 has 2 divisors, whose sum is σ = 12111203964. Its totient is φ = 12111203962.

The previous prime is 12111203957. The next prime is 12111203983. The reversal of 12111203963 is 36930211121.

It is a weak prime.

It is an emirp because it is prime and its reverse (36930211121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111203963 - 2²⁶ = 12044095099 is a prime.

It is a super-2 number, since 2×12111203963² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12111203983) 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, 6055601981 + 6055601982.

It is an arithmetic number, because the mean of its divisors is an integer number (6055601982).

Almost surely, 2^12111203963 is an apocalyptic number.

12111203963 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111203963 is an equidigital number, since it uses as much as digits as its factorization.

12111203963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 12111203963 in words is "twelve billion, one hundred eleven million, two hundred three thousand, nine hundred sixty-three".