12202120112 has 160 divisors (see below), whose sum is σ = 30798028800. Its totient is φ = 4547902464.

The previous prime is 12202120111. The next prime is 12202120123. The reversal of 12202120112 is 21102120221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12202120111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5448689 + ... + 5450927.

It is an arithmetic number, because the mean of its divisors is an integer number (192487680).

Almost surely, 2^12202120112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12202120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15399014400).

12202120112 is an abundant number, since it is smaller than the sum of its proper divisors (18595908688).

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

12202120112 is a wasteful number, since it uses less digits than its factorization.

12202120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2483 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202120112 its reverse (21102120221), we get a palindrome (33304240333).

The spelling of 12202120112 in words is "twelve billion, two hundred two million, one hundred twenty thousand, one hundred twelve".