12000201211220 has 48 divisors (see below), whose sum is σ = 26238264924816. Its totient is φ = 4606234752000.

The previous prime is 12000201211199. The next prime is 12000201211291. The reversal of 12000201211220 is 2211210200021.

It can be written as a sum of positive squares in 8 ways, for example, as 7892031644176 + 4108169567044 = 2809276^2 + 2026862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000201211195 and 12000201211204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119904011 + ... + 120004050.

It is an arithmetic number, because the mean of its divisors is an integer number (546630519267).

Almost surely, 2^{12000201211220} is an apocalyptic number.

12000201211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000201211220 is an abundant number, since it is smaller than the sum of its proper divisors (14238063713596).

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

12000201211220 is a wasteful number, since it uses less digits than its factorization.

12000201211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239908172 (or 239908170 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000201211220 its reverse (2211210200021), we get a palindrome (14211411411241).

The spelling of 12000201211220 in words is "twelve trillion, two hundred one million, two hundred eleven thousand, two hundred twenty".