12212201111120 has 40 divisors (see below), whose sum is σ = 28394379295200. Its totient is φ = 4884706386560.

The previous prime is 12212201111101. The next prime is 12212201111203. The reversal of 12212201111120 is 2111110221221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448670 + ... + 4962429.

It is an arithmetic number, because the mean of its divisors is an integer number (709859482380).

Almost surely, 2^{12212201111120} is an apocalyptic number.

12212201111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212201111120 is an abundant number, since it is smaller than the sum of its proper divisors (16182178184080).

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

12212201111120 is a wasteful number, since it uses less digits than its factorization.

12212201111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5439323 (or 5439317 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212201111120 its reverse (2111110221221), we get a palindrome (14323311332341).

The spelling of 12212201111120 in words is "twelve trillion, two hundred twelve billion, two hundred one million, one hundred eleven thousand, one hundred twenty".