12011011122203 has 4 divisors (see below), whose sum is σ = 12058863756408. Its totient is φ = 11963158488000.

The previous prime is 12011011122197. The next prime is 12011011122233. The reversal of 12011011122203 is 30222111011021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12011011122203 - 2⁶ = 12011011122139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011011122233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23926316726 + ... + 23926317227.

It is an arithmetic number, because the mean of its divisors is an integer number (3014715939102).

Almost surely, 2^{12011011122203} is an apocalyptic number.

12011011122203 is a deficient number, since it is larger than the sum of its proper divisors (47852634205).

12011011122203 is an equidigital number, since it uses as much as digits as its factorization.

12011011122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47852634204.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011011122203 its reverse (30222111011021), we get a palindrome (42233122133224).

The spelling of 12011011122203 in words is "twelve trillion, eleven billion, eleven million, one hundred twenty-two thousand, two hundred three".