12212110110020 has 48 divisors (see below), whose sum is σ = 25772071132080. Its totient is φ = 4860779126784.

The previous prime is 12212110109977. The next prime is 12212110110043. The reversal of 12212110110020 is 2001101121221.

12212110110020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 3193606144 + 12208916503876 = 56512^2 + 3494126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12212110109977 and 12212110110004.

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, 1650812 + ... + 5210508.

It is an arithmetic number, because the mean of its divisors is an integer number (536918148585).

Almost surely, 2^{12212110110020} is an apocalyptic number.

12212110110020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212110110020 is an abundant number, since it is smaller than the sum of its proper divisors (13559961022060).

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

12212110110020 is a wasteful number, since it uses less digits than its factorization.

12212110110020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560552 (or 3560550 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12212110110020 its reverse (2001101121221), we get a palindrome (14213211231241).

The spelling of 12212110110020 in words is "twelve trillion, two hundred twelve billion, one hundred ten million, one hundred ten thousand, twenty".