12101020011203 has 4 divisors (see below), whose sum is σ = 12104207010000. Its totient is φ = 12097833012408.

The previous prime is 12101020011187. The next prime is 12101020011233. The reversal of 12101020011203 is 30211002010121.

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 12101020011203 - 2⁴ = 12101020011187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101020011233) 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, 1593493703 + ... + 1593501296.

It is an arithmetic number, because the mean of its divisors is an integer number (3026051752500).

Almost surely, 2^{12101020011203} is an apocalyptic number.

12101020011203 is a deficient number, since it is larger than the sum of its proper divisors (3186998797).

12101020011203 is an equidigital number, since it uses as much as digits as its factorization.

12101020011203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186998796.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12101020011203 its reverse (30211002010121), we get a palindrome (42312022021324).

The spelling of 12101020011203 in words is "twelve trillion, one hundred one billion, twenty million, eleven thousand, two hundred three".