12011120321003 has 4 divisors (see below), whose sum is σ = 12012799970208. Its totient is φ = 12009440671800.

The previous prime is 12011120320987. The next prime is 12011120321021. The reversal of 12011120321003 is 30012302111021.

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 12011120321003 - 2⁴ = 12011120320987 is a prime.

It is a super-2 number, since 2×12011120321003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011120329003) 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, 839813876 + ... + 839828177.

It is an arithmetic number, because the mean of its divisors is an integer number (3003199992552).

Almost surely, 2^{12011120321003} is an apocalyptic number.

12011120321003 is a deficient number, since it is larger than the sum of its proper divisors (1679649205).

12011120321003 is an equidigital number, since it uses as much as digits as its factorization.

12011120321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679649204.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12011120321003 its reverse (30012302111021), we get a palindrome (42023422432024).

The spelling of 12011120321003 in words is "twelve trillion, eleven billion, one hundred twenty million, three hundred twenty-one thousand, three".