11001111120012 has 48 divisors (see below), whose sum is σ = 27644863770720. Its totient is φ = 3384829175808.

The previous prime is 11001111120007. The next prime is 11001111120049. The reversal of 11001111120012 is 21002111110011.

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 11001111120012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2843164 + ... + 5485052.

It is an arithmetic number, because the mean of its divisors is an integer number (575934661890).

Almost surely, 2^{11001111120012} is an apocalyptic number.

11001111120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11001111120012 is an abundant number, since it is smaller than the sum of its proper divisors (16643752650708).

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

11001111120012 is a wasteful number, since it uses less digits than its factorization.

11001111120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668602 (or 2668600 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11001111120012 its reverse (21002111110011), we get a palindrome (32003222230023).

The spelling of 11001111120012 in words is "eleven trillion, one billion, one hundred eleven million, one hundred twenty thousand, twelve".