12418178203 has 2 divisors, whose sum is σ = 12418178204. Its totient is φ = 12418178202.

The previous prime is 12418178167. The next prime is 12418178209. The reversal of 12418178203 is 30287181421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12418178203 - 2⁹ = 12418177691 is a prime.

It is a super-2 number, since 2×12418178203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12418178209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209089101 + 6209089102.

It is an arithmetic number, because the mean of its divisors is an integer number (6209089102).

Almost surely, 2^12418178203 is an apocalyptic number.

12418178203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418178203 is an equidigital number, since it uses as much as digits as its factorization.

12418178203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 12418178203 in words is "twelve billion, four hundred eighteen million, one hundred seventy-eight thousand, two hundred three".