11130001212 has 24 divisors (see below), whose sum is σ = 28330912512. Its totient is φ = 3372727600.

The previous prime is 11130001159. The next prime is 11130001261. The reversal of 11130001212 is 21210003111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42158964 + ... + 42159227.

It is an arithmetic number, because the mean of its divisors is an integer number (1180454688).

Almost surely, 2^11130001212 is an apocalyptic number.

11130001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11130001212 is an abundant number, since it is smaller than the sum of its proper divisors (17200911300).

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

11130001212 is a wasteful number, since it uses less digits than its factorization.

11130001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84318209 (or 84318207 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11130001212 its reverse (21210003111), we get a palindrome (32340004323).

The spelling of 11130001212 in words is "eleven billion, one hundred thirty million, one thousand, two hundred twelve".