12132020 has 24 divisors (see below), whose sum is σ = 26071584. Its totient is φ = 4739616.

The previous prime is 12132011. The next prime is 12132047. The reversal of 12132020 is 2023121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12131992 and 12132010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6194 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (1086316).

Almost surely, 2^12132020 is an apocalyptic number.

12132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12132020 is an abundant number, since it is smaller than the sum of its proper divisors (13939564).

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

12132020 is a wasteful number, since it uses less digits than its factorization.

12132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14159 (or 14157 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12132020 is about 3483.1049366908. The cubic root of 12132020 is about 229.7793725518.

Adding to 12132020 its reverse (2023121), we get a palindrome (14155141).

The spelling of 12132020 in words is "twelve million, one hundred thirty-two thousand, twenty".