12213132020 has 48 divisors (see below), whose sum is σ = 26775342720. Its totient is φ = 4670641536.

The previous prime is 12213132011. The next prime is 12213132049. The reversal of 12213132020 is 2023131221.

It is a self number, because there is not a number n which added to its sum of digits gives 12213132020.

It is a congruent number.

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, 1233851 + ... + 1243709.

It is an arithmetic number, because the mean of its divisors is an integer number (557819640).

Almost surely, 2^12213132020 is an apocalyptic number.

12213132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12213132020 is an abundant number, since it is smaller than the sum of its proper divisors (14562210700).

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

12213132020 is a wasteful number, since it uses less digits than its factorization.

12213132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12213132020 its reverse (2023131221), we get a palindrome (14236263241).

The spelling of 12213132020 in words is "twelve billion, two hundred thirteen million, one hundred thirty-two thousand, twenty".