11130000121212 has 192 divisors, whose sum is σ = 31010859909120. Its totient is φ = 3039621790464.

The previous prime is 11130000121153. The next prime is 11130000121267. The reversal of 11130000121212 is 21212100003111.

It is a junction number, because it is equal to n+sod(n) for n = 11130000121191 and 11130000121200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1597527753 + ... + 1597534719.

It is an arithmetic number, because the mean of its divisors is an integer number (161514895360).

Almost surely, 2^{11130000121212} is an apocalyptic number.

11130000121212 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 11130000121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15505429954560).

11130000121212 is an abundant number, since it is smaller than the sum of its proper divisors (19880859787908).

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

11130000121212 is a wasteful number, since it uses less digits than its factorization.

11130000121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13480 (or 13478 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11130000121212 its reverse (21212100003111), we get a palindrome (32342100124323).

The spelling of 11130000121212 in words is "eleven trillion, one hundred thirty billion, one hundred twenty-one thousand, two hundred twelve".