11130212232 has 96 divisors (see below), whose sum is σ = 30551921400. Its totient is φ = 3660152832.

The previous prime is 11130212207. The next prime is 11130212237. The reversal of 11130212232 is 23221203111.

11130212232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4753550916 + 6376661316 = 68946^2 + 79854^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11130212237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2351244 + ... + 2355972.

Almost surely, 2^11130212232 is an apocalyptic number.

11130212232 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 11130212232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15275960700).

11130212232 is an abundant number, since it is smaller than the sum of its proper divisors (19421709168).

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

11130212232 is a wasteful number, since it uses less digits than its factorization.

11130212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11130212232 its reverse (23221203111), we get a palindrome (34351415343).

The spelling of 11130212232 in words is "eleven billion, one hundred thirty million, two hundred twelve thousand, two hundred thirty-two".