12020010201220 has 24 divisors (see below), whose sum is σ = 28848024483264. Its totient is φ = 4121146354656.

The previous prime is 12020010201211. The next prime is 12020010201239. The reversal of 12020010201220 is 2210201002021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020010201220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42928607722 + ... + 42928608001.

It is an arithmetic number, because the mean of its divisors is an integer number (1202001020136).

Almost surely, 2^{12020010201220} is an apocalyptic number.

12020010201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020010201220 is an abundant number, since it is smaller than the sum of its proper divisors (16828014282044).

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

12020010201220 is a wasteful number, since it uses less digits than its factorization.

12020010201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85857215739 (or 85857215737 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020010201220 its reverse (2210201002021), we get a palindrome (14230211203241).

The spelling of 12020010201220 in words is "twelve trillion, twenty billion, ten million, two hundred one thousand, two hundred twenty".