12020130 has 32 divisors (see below), whose sum is σ = 32054400. Its totient is φ = 3205296.

The previous prime is 12020119. The next prime is 12020131. The reversal of 12020130 is 3102021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12020131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21990 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (1001700).

Almost surely, 2^12020130 is an apocalyptic number.

12020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020130 is an abundant number, since it is smaller than the sum of its proper divisors (20034270).

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

12020130 is a wasteful number, since it uses less digits than its factorization.

12020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44535 (or 44529 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 12020130 is about 3467.0059128879. The cubic root of 12020130 is about 229.0707942038.

Adding to 12020130 its reverse (3102021), we get a palindrome (15122151).

The spelling of 12020130 in words is "twelve million, twenty thousand, one hundred thirty".