12011122202203 has 4 divisors (see below), whose sum is σ = 12015582331968. Its totient is φ = 12006662072440.

The previous prime is 12011122202161. The next prime is 12011122202237. The reversal of 12011122202203 is 30220222111021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011122202203 is a prime.

It is a super-3 number, since 3×12011122202203³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011122202273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230060843 + ... + 2230066228.

It is an arithmetic number, because the mean of its divisors is an integer number (3003895582992).

Almost surely, 2^{12011122202203} is an apocalyptic number.

12011122202203 is a deficient number, since it is larger than the sum of its proper divisors (4460129765).

12011122202203 is an equidigital number, since it uses as much as digits as its factorization.

12011122202203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460129764.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12011122202203 its reverse (30220222111021), we get a palindrome (42231344313224).

The spelling of 12011122202203 in words is "twelve trillion, eleven billion, one hundred twenty-two million, two hundred two thousand, two hundred three".