12201000120220 has 48 divisors (see below), whose sum is σ = 25706241126720. Its totient is φ = 4864395538944.

The previous prime is 12201000120217. The next prime is 12201000120229. The reversal of 12201000120220 is 2202100010221.

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 12201000120220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201000120229) 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, 8056752 + ... + 9450568.

It is an arithmetic number, because the mean of its divisors is an integer number (535546690140).

Almost surely, 2^{12201000120220} is an apocalyptic number.

12201000120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201000120220 is an abundant number, since it is smaller than the sum of its proper divisors (13505241006500).

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

12201000120220 is a wasteful number, since it uses less digits than its factorization.

12201000120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395262 (or 1395260 counting only the distinct ones).

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

Adding to 12201000120220 its reverse (2202100010221), we get a palindrome (14403100130441).

It can be divided in two parts, 122010001 and 20220, that added together give a palindrome (122030221).

The spelling of 12201000120220 in words is "twelve trillion, two hundred one billion, one hundred twenty thousand, two hundred twenty".