11013120012 has 24 divisors (see below), whose sum is σ = 25790057776. Its totient is φ = 3657786048.

The previous prime is 11013119989. The next prime is 11013120023. The reversal of 11013120012 is 21002131011.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11013120012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653283 + ... + 1659930.

Almost surely, 2^11013120012 is an apocalyptic number.

11013120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11013120012 is an abundant number, since it is smaller than the sum of its proper divisors (14776937764).

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

11013120012 is a wasteful number, since it uses less digits than its factorization.

11013120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3313497 (or 3313495 counting only the distinct ones).

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

Adding to 11013120012 its reverse (21002131011), we get a palindrome (32015251023).

The spelling of 11013120012 in words is "eleven billion, thirteen million, one hundred twenty thousand, twelve".