12113203231212 has 48 divisors (see below), whose sum is σ = 28395024806400. Its totient is φ = 4019051736000.

The previous prime is 12113203231201. The next prime is 12113203231229. The reversal of 12113203231212 is 21213230231121.

12113203231212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5517714 + ... + 7394022.

It is an arithmetic number, because the mean of its divisors is an integer number (591563016800).

Almost surely, 2^{12113203231212} is an apocalyptic number.

12113203231212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12113203231212 is an abundant number, since it is smaller than the sum of its proper divisors (16281821575188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12113203231212 is a wasteful number, since it uses less digits than its factorization.

12113203231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878806 (or 1878804 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12113203231212 its reverse (21213230231121), we get a palindrome (33326433462333).

The spelling of 12113203231212 in words is "twelve trillion, one hundred thirteen billion, two hundred three million, two hundred thirty-one thousand, two hundred twelve".