12221100011112 has 32 divisors (see below), whose sum is σ = 30553582946400. Its totient is φ = 4073588947904.

The previous prime is 12221100011111. The next prime is 12221100011117. The reversal of 12221100011112 is 21111000112221.

It is a happy number.

12221100011112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12221100011091 and 12221100011100.

It is not an unprimeable number, because it can be changed into a prime (12221100011111) 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, 6039903 + ... + 7805294.

It is an arithmetic number, because the mean of its divisors is an integer number (954799467075).

Almost surely, 2^{12221100011112} is an apocalyptic number.

12221100011112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221100011112 is an abundant number, since it is smaller than the sum of its proper divisors (18332482935288).

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

12221100011112 is a wasteful number, since it uses less digits than its factorization.

12221100011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13881985 (or 13881981 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12221100011112 its reverse (21111000112221), we get a palindrome (33332100123333).

The spelling of 12221100011112 in words is "twelve trillion, two hundred twenty-one billion, one hundred million, eleven thousand, one hundred twelve".