12011022212020 has 96 divisors (see below), whose sum is σ = 28076103982080. Its totient is φ = 4286196449280.

The previous prime is 12011022212003. The next prime is 12011022212053. The reversal of 12011022212020 is 2021222011021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12011022211985 and 12011022212003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5229219 + ... + 7167061.

It is an arithmetic number, because the mean of its divisors is an integer number (292459416480).

Almost surely, 2^{12011022212020} is an apocalyptic number.

12011022212020 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 12011022212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14038051991040).

12011022212020 is an abundant number, since it is smaller than the sum of its proper divisors (16065081770060).

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

12011022212020 is a wasteful number, since it uses less digits than its factorization.

12011022212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938665 (or 1938663 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12011022212020 its reverse (2021222011021), we get a palindrome (14032244223041).

The spelling of 12011022212020 in words is "twelve trillion, eleven billion, twenty-two million, two hundred twelve thousand, twenty".