12221210011120 has 40 divisors (see below), whose sum is σ = 30997432666800. Its totient is φ = 4444076367360.

The previous prime is 12221210011091. The next prime is 12221210011139. The reversal of 12221210011120 is 2111001212221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12221210011094 and 12221210011103.

It is a congruent number.

It is an unprimeable number.

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, 6943868445 + ... + 6943870204.

It is an arithmetic number, because the mean of its divisors is an integer number (774935816670).

Almost surely, 2^{12221210011120} is an apocalyptic number.

12221210011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221210011120 is an abundant number, since it is smaller than the sum of its proper divisors (18776222655680).

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

12221210011120 is a wasteful number, since it uses less digits than its factorization.

12221210011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13887738673 (or 13887738667 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221210011120 its reverse (2111001212221), we get a palindrome (14332211223341).

The spelling of 12221210011120 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, eleven thousand, one hundred twenty".