12111202010203 has 16 divisors (see below), whose sum is σ = 13239406160640. Its totient is φ = 11029313203200.

The previous prime is 12111202010147. The next prime is 12111202010261. The reversal of 12111202010203 is 30201020211121.

It is not a de Polignac number, because 12111202010203 - 2⁹ = 12111202009691 is a prime.

It is a super-2 number, since 2×12111202010203² (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 (12111202010263) 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 15 ways as a sum of consecutive naturals, for example, 1470823 + ... + 5136703.

It is an arithmetic number, because the mean of its divisors is an integer number (827462885040).

Almost surely, 2^{12111202010203} is an apocalyptic number.

12111202010203 is a deficient number, since it is larger than the sum of its proper divisors (1128204150437).

12111202010203 is a wasteful number, since it uses less digits than its factorization.

12111202010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672198.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111202010203 its reverse (30201020211121), we get a palindrome (42312222221324).

The spelling of 12111202010203 in words is "twelve trillion, one hundred eleven billion, two hundred two million, ten thousand, two hundred three".