12020211200 has 120 divisors (see below), whose sum is σ = 29900284920. Its totient is φ = 4788838400.

The previous prime is 12020211197. The next prime is 12020211211. The reversal of 12020211200 is 211202021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3441455 + ... + 3444945.

It is an arithmetic number, because the mean of its divisors is an integer number (249169041).

Almost surely, 2^12020211200 is an apocalyptic number.

12020211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14950142460).

12020211200 is an abundant number, since it is smaller than the sum of its proper divisors (17880073720).

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

12020211200 is an equidigital number, since it uses as much as digits as its factorization.

12020211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3767 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020211200 its reverse (211202021), we get a palindrome (12231413221).

The spelling of 12020211200 in words is "twelve billion, twenty million, two hundred eleven thousand, two hundred".