12002022221202 has 160 divisors (see below), whose sum is σ = 29187577731312. Its totient is φ = 3664286470656.

The previous prime is 12002022221191. The next prime is 12002022221237. The reversal of 12002022221202 is 20212222020021.

12002022221202 is a `hidden beast` number, since 1 + 200 + 20 + 22 + 221 + 202 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5611597192161 + 6390425029041 = 2368881^2 + 2527929^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 154712208 + ... + 154789764.

Almost surely, 2^{12002022221202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12002022221202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14593788865656).

12002022221202 is an abundant number, since it is smaller than the sum of its proper divisors (17185555510110).

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

12002022221202 is a wasteful number, since it uses less digits than its factorization.

12002022221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78154 (or 78145 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12002022221202 its reverse (20212222020021), we get a palindrome (32214244241223).

The spelling of 12002022221202 in words is "twelve trillion, two billion, twenty-two million, two hundred twenty-one thousand, two hundred two".