12202112220020 has 24 divisors (see below), whose sum is σ = 27131755407624. Its totient is φ = 4593736365056.

The previous prime is 12202112220019. The next prime is 12202112220031. The reversal of 12202112220020 is 2002221120221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2684072762596 + 9518039457424 = 1638314^2 + 3085132^2 .

It is a super-2 number, since 2×12202112220020² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17944282337 + ... + 17944283016.

It is an arithmetic number, because the mean of its divisors is an integer number (1130489808651).

Almost surely, 2^{12202112220020} is an apocalyptic number.

12202112220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202112220020 is an abundant number, since it is smaller than the sum of its proper divisors (14929643187604).

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

12202112220020 is a wasteful number, since it uses less digits than its factorization.

12202112220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35888565379 (or 35888565377 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12202112220020 its reverse (2002221120221), we get a palindrome (14204333340241).

The spelling of 12202112220020 in words is "twelve trillion, two hundred two billion, one hundred twelve million, two hundred twenty thousand, twenty".