11110001220012 has 24 divisors (see below), whose sum is σ = 25927087398912. Its totient is φ = 3702797851600.

The previous prime is 11110001220011. The next prime is 11110001220049. The reversal of 11110001220012 is 21002210001111.

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 11110001220012.

It is not an unprimeable number, because it can be changed into a prime (11110001220011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66899664 + ... + 67065527.

It is an arithmetic number, because the mean of its divisors is an integer number (1080295308288).

Almost surely, 2^{11110001220012} is an apocalyptic number.

11110001220012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11110001220012 is an abundant number, since it is smaller than the sum of its proper divisors (14817086178900).

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

11110001220012 is a wasteful number, since it uses less digits than its factorization.

11110001220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133972109 (or 133972107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11110001220012 its reverse (21002210001111), we get a palindrome (32112211221123).

The spelling of 11110001220012 in words is "eleven trillion, one hundred ten billion, one million, two hundred twenty thousand, twelve".