12000201220 has 24 divisors (see below), whose sum is σ = 28800483264. Its totient is φ = 4114354656.

The previous prime is 12000201209. The next prime is 12000201259. The reversal of 12000201220 is 2210200021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 12000201197 and 12000201206.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42857722 + ... + 42858001.

It is an arithmetic number, because the mean of its divisors is an integer number (1200020136).

Almost surely, 2^12000201220 is an apocalyptic number.

12000201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000201220 is an abundant number, since it is smaller than the sum of its proper divisors (16800282044).

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

12000201220 is a wasteful number, since it uses less digits than its factorization.

12000201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85715739 (or 85715737 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12000201220 its reverse (2210200021), we get a palindrome (14210401241).

The spelling of 12000201220 in words is "twelve billion, two hundred one thousand, two hundred twenty".