12220021201112 has 32 divisors (see below), whose sum is σ = 24622430796720. Its totient is φ = 5664768384000.

The previous prime is 12220021201111. The next prime is 12220021201127. The reversal of 12220021201112 is 21110212002221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220021201111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670536389 + ... + 670554612.

Almost surely, 2^{12220021201112} is an apocalyptic number.

It is an amenable number.

12220021201112 is an abundant number, since it is smaller than the sum of its proper divisors (12402409595608).

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

12220021201112 is a wasteful number, since it uses less digits than its factorization.

12220021201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341091091 (or 1341091087 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12220021201112 its reverse (21110212002221), we get a palindrome (33330233203333).

The spelling of 12220021201112 in words is "twelve trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, one hundred twelve".