12012221120202 has 32 divisors (see below), whose sum is σ = 26696474380800. Its totient is φ = 4003676256384.

The previous prime is 12012221120183. The next prime is 12012221120203. The reversal of 12012221120202 is 20202112221021.

It is a happy number.

12012221120202 is a `hidden beast` number, since 120 + 1 + 2 + 221 + 120 + 202 = 666.

12012221120202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12012221120203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10490983 + ... + 11579514.

It is an arithmetic number, because the mean of its divisors is an integer number (834264824400).

Almost surely, 2^{12012221120202} is an apocalyptic number.

12012221120202 is an abundant number, since it is smaller than the sum of its proper divisors (14684253260598).

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

12012221120202 is a wasteful number, since it uses less digits than its factorization.

12012221120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22080587 (or 22080581 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12012221120202 its reverse (20202112221021), we get a palindrome (32214333341223).

The spelling of 12012221120202 in words is "twelve trillion, twelve billion, two hundred twenty-one million, one hundred twenty thousand, two hundred two".