12220221210112 has 40 divisors (see below), whose sum is σ = 24417131886576. Its totient is φ = 6109971197952.

The previous prime is 12220221210097. The next prime is 12220221210139. The reversal of 12220221210112 is 21101212202221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220221210112.

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 3 ways as a sum of consecutive naturals, for example, 24365133 + ... + 24861619.

Almost surely, 2^{12220221210112} is an apocalyptic number.

It is an amenable number.

12220221210112 is a deficient number, since it is larger than the sum of its proper divisors (12196910676464).

12220221210112 is an frugal number, since it uses more digits than its factorization.

12220221210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544578 (or 544562 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220221210112 its reverse (21101212202221), we get a palindrome (33321433412333).

The spelling of 12220221210112 in words is "twelve trillion, two hundred twenty billion, two hundred twenty-one million, two hundred ten thousand, one hundred twelve".