11331241212 has 24 divisors (see below), whose sum is σ = 26938424016. Its totient is φ = 3705814528.

The previous prime is 11331241127. The next prime is 11331241267. The reversal of 11331241212 is 21214213311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8907573 + ... + 8908844.

It is an arithmetic number, because the mean of its divisors is an integer number (1122434334).

Almost surely, 2^11331241212 is an apocalyptic number.

11331241212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11331241212 is an abundant number, since it is smaller than the sum of its proper divisors (15607182804).

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

11331241212 is a wasteful number, since it uses less digits than its factorization.

11331241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17816477 (or 17816475 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 11331241212 its reverse (21214213311), we get a palindrome (32545454523).

The spelling of 11331241212 in words is "eleven billion, three hundred thirty-one million, two hundred forty-one thousand, two hundred twelve".