12213131203 has 16 divisors (see below), whose sum is σ = 15114613696. Its totient is φ = 9609736320.

The previous prime is 12213131171. The next prime is 12213131263. The reversal of 12213131203 is 30213131221.

It is a cyclic number.

It is not a de Polignac number, because 12213131203 - 2⁵ = 12213131171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12213131263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354276 + ... + 387217.

It is an arithmetic number, because the mean of its divisors is an integer number (944663356).

Almost surely, 2^12213131203 is an apocalyptic number.

12213131203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12213131203 is a deficient number, since it is larger than the sum of its proper divisors (2901482493).

12213131203 is a wasteful number, since it uses less digits than its factorization.

12213131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741694.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12213131203 its reverse (30213131221), we get a palindrome (42426262424).

The spelling of 12213131203 in words is "twelve billion, two hundred thirteen million, one hundred thirty-one thousand, two hundred three".