12001011203 has 2 divisors, whose sum is σ = 12001011204. Its totient is φ = 12001011202.

The previous prime is 12001011163. The next prime is 12001011221. The reversal of 12001011203 is 30211010021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12001011203 - 2²⁰ = 11999962627 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001011103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000505601 + 6000505602.

It is an arithmetic number, because the mean of its divisors is an integer number (6000505602).

Almost surely, 2^12001011203 is an apocalyptic number.

12001011203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001011203 is an equidigital number, since it uses as much as digits as its factorization.

12001011203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12001011203 its reverse (30211010021), we get a palindrome (42212021224).

The spelling of 12001011203 in words is "twelve billion, one million, eleven thousand, two hundred three".