12011021003220 has 24 divisors (see below), whose sum is σ = 33630858809184. Its totient is φ = 3202938934176.

The previous prime is 12011021003197. The next prime is 12011021003221. The reversal of 12011021003220 is 2230012011021.

12011021003220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12011021003220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011021003221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100091841634 + ... + 100091841753.

It is an arithmetic number, because the mean of its divisors is an integer number (1401285783716).

Almost surely, 2^{12011021003220} is an apocalyptic number.

12011021003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011021003220 is an abundant number, since it is smaller than the sum of its proper divisors (21619837805964).

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

12011021003220 is a wasteful number, since it uses less digits than its factorization.

12011021003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200183683399 (or 200183683397 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12011021003220 its reverse (2230012011021), we get a palindrome (14241033014241).

The spelling of 12011021003220 in words is "twelve trillion, eleven billion, twenty-one million, three thousand, two hundred twenty".