12211302122020 has 12 divisors (see below), whose sum is σ = 25643734456284. Its totient is φ = 4884520848800.

The previous prime is 12211302122003. The next prime is 12211302122021. The reversal of 12211302122020 is 2022120311221.

It can be written as a sum of positive squares in 2 ways, for example, as 1289242160704 + 10922059961316 = 1135448^2 + 3304854^2 .

It is not an unprimeable number, because it can be changed into a prime (12211302122021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305282553031 + ... + 305282553070.

It is an arithmetic number, because the mean of its divisors is an integer number (2136977871357).

Almost surely, 2^{12211302122020} is an apocalyptic number.

12211302122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211302122020 is an abundant number, since it is smaller than the sum of its proper divisors (13432432334264).

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

12211302122020 is a wasteful number, since it uses less digits than its factorization.

12211302122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610565106110 (or 610565106108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12211302122020 its reverse (2022120311221), we get a palindrome (14233422433241).

The spelling of 12211302122020 in words is "twelve trillion, two hundred eleven billion, three hundred two million, one hundred twenty-two thousand, twenty".