12001201010220 has 48 divisors (see below), whose sum is σ = 34511561830368. Its totient is φ = 3113825126400.

The previous prime is 12001201010213. The next prime is 12001201010221. The reversal of 12001201010220 is 2201010210021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12001201010196 and 12001201010205.

It is not an unprimeable number, because it can be changed into a prime (12001201010221) 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, 2702970981 + ... + 2702975420.

It is an arithmetic number, because the mean of its divisors is an integer number (718990871466).

Almost surely, 2^{12001201010220} is an apocalyptic number.

12001201010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12001201010220 is an abundant number, since it is smaller than the sum of its proper divisors (22510360820148).

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

12001201010220 is a wasteful number, since it uses less digits than its factorization.

12001201010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5405946450 (or 5405946448 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12001201010220 its reverse (2201010210021), we get a palindrome (14202211220241).

The spelling of 12001201010220 in words is "twelve trillion, one billion, two hundred one million, ten thousand, two hundred twenty".