12002222001220 has 96 divisors (see below), whose sum is σ = 28763735817600. Its totient is φ = 4166598374400.

The previous prime is 12002222001173. The next prime is 12002222001233. The reversal of 12002222001220 is 2210022220021.

12002222001220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12002222001194 and 12002222001203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10000866 + ... + 11136505.

It is an arithmetic number, because the mean of its divisors is an integer number (299622248100).

Almost surely, 2^{12002222001220} is an apocalyptic number.

12002222001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002222001220 is an abundant number, since it is smaller than the sum of its proper divisors (16761513816380).

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

12002222001220 is a wasteful number, since it uses less digits than its factorization.

12002222001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21137509 (or 21137507 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12002222001220 its reverse (2210022220021), we get a palindrome (14212244221241).

The spelling of 12002222001220 in words is "twelve trillion, two billion, two hundred twenty-two million, one thousand, two hundred twenty".