11133210012 has 12 divisors (see below), whose sum is σ = 25977490056. Its totient is φ = 3711070000.

The previous prime is 11133210001. The next prime is 11133210013. The reversal of 11133210012 is 21001233111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 11133209973 and 11133210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133210013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 463883739 + ... + 463883762.

It is an arithmetic number, because the mean of its divisors is an integer number (2164790838).

Almost surely, 2^11133210012 is an apocalyptic number.

11133210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11133210012 is an abundant number, since it is smaller than the sum of its proper divisors (14844280044).

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

11133210012 is a wasteful number, since it uses less digits than its factorization.

11133210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927767508 (or 927767506 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11133210012 its reverse (21001233111), we get a palindrome (32134443123).

The spelling of 11133210012 in words is "eleven billion, one hundred thirty-three million, two hundred ten thousand, twelve".