12221021000112 has 40 divisors (see below), whose sum is σ = 31572553602240. Its totient is φ = 4073469449280.

The previous prime is 12221021000093. The next prime is 12221021000119. The reversal of 12221021000112 is 21100012012221.

It is a junction number, because it is equal to n+sod(n) for n = 12221021000091 and 12221021000100.

It is not an unprimeable number, because it can be changed into a prime (12221021000119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5412814 + ... + 7330797.

It is an arithmetic number, because the mean of its divisors is an integer number (789313840056).

Almost surely, 2^{12221021000112} is an apocalyptic number.

12221021000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12221021000112 is an abundant number, since it is smaller than the sum of its proper divisors (19351532602128).

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

12221021000112 is a wasteful number, since it uses less digits than its factorization.

12221021000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763601 (or 12763595 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221021000112 its reverse (21100012012221), we get a palindrome (33321033012333).

The spelling of 12221021000112 in words is "twelve trillion, two hundred twenty-one billion, twenty-one million, one hundred twelve", and thus it is an aban number.