12220212021112 has 16 divisors (see below), whose sum is σ = 22917682096200. Its totient is φ = 6108830128800.

The previous prime is 12220212021103. The next prime is 12220212021137. The reversal of 12220212021112 is 21112021202221.

It is a self number, because there is not a number n which added to its sum of digits gives 12220212021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159444514 + ... + 159521137.

Almost surely, 2^{12220212021112} is an apocalyptic number.

It is an amenable number.

12220212021112 is a deficient number, since it is larger than the sum of its proper divisors (10697470075088).

12220212021112 is a wasteful number, since it uses less digits than its factorization.

12220212021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318970446 (or 318970442 counting only the distinct ones).

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

Adding to 12220212021112 its reverse (21112021202221), we get a palindrome (33332233223333).

The spelling of 12220212021112 in words is "twelve trillion, two hundred twenty billion, two hundred twelve million, twenty-one thousand, one hundred twelve".