12011001222020 has 12 divisors (see below), whose sum is σ = 25223102566284. Its totient is φ = 4804400488800.

The previous prime is 12011001222019. The next prime is 12011001222037. The reversal of 12011001222020 is 2022210011021.

It can be written as a sum of positive squares in 2 ways, for example, as 3669891164416 + 8341110057604 = 1915696^2 + 2888098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12011001221986 and 12011001222004.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300275030531 + ... + 300275030570.

It is an arithmetic number, because the mean of its divisors is an integer number (2101925213857).

Almost surely, 2^{12011001222020} is an apocalyptic number.

12011001222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011001222020 is an abundant number, since it is smaller than the sum of its proper divisors (13212101344264).

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

12011001222020 is a wasteful number, since it uses less digits than its factorization.

12011001222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600550061110 (or 600550061108 counting only the distinct ones).

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

Adding to 12011001222020 its reverse (2022210011021), we get a palindrome (14033211233041).

The spelling of 12011001222020 in words is "twelve trillion, eleven billion, one million, two hundred twenty-two thousand, twenty".