11243131411212 has 72 divisors (see below), whose sum is σ = 28908563327280. Its totient is φ = 3683398504320.

The previous prime is 11243131411181. The next prime is 11243131411223. The reversal of 11243131411212 is 21211413134211.

11243131411212 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 3 + 1 + 31 + 411 + 212 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822214 + ... + 4812722.

It is an arithmetic number, because the mean of its divisors is an integer number (401507823990).

Almost surely, 2^{11243131411212} is an apocalyptic number.

11243131411212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11243131411212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14454281663640).

11243131411212 is an abundant number, since it is smaller than the sum of its proper divisors (17665431916068).

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

11243131411212 is a wasteful number, since it uses less digits than its factorization.

11243131411212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991863 (or 3991858 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

Adding to 11243131411212 its reverse (21211413134211), we get a palindrome (32454544545423).

The spelling of 11243131411212 in words is "eleven trillion, two hundred forty-three billion, one hundred thirty-one million, four hundred eleven thousand, two hundred twelve".