12212020110112 has 24 divisors (see below), whose sum is σ = 24871463372700. Its totient is φ = 5895457983744.

The previous prime is 12212020110109. The next prime is 12212020110119. The reversal of 12212020110112 is 21101102021221.

It can be written as a sum of positive squares in 2 ways, for example, as 11300919315856 + 911100794256 = 3361684^2 + 954516^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12212020110119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6579751287 + ... + 6579753142.

Almost surely, 2^{12212020110112} is an apocalyptic number.

It is an amenable number.

12212020110112 is an abundant number, since it is smaller than the sum of its proper divisors (12659443262588).

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

12212020110112 is a wasteful number, since it uses less digits than its factorization.

12212020110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159504468 (or 13159504460 counting only the distinct ones).

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

Adding to 12212020110112 its reverse (21101102021221), we get a palindrome (33313122131333).

The spelling of 12212020110112 in words is "twelve trillion, two hundred twelve billion, twenty million, one hundred ten thousand, one hundred twelve".