12020021130 has 32 divisors (see below), whose sum is σ = 31067132544. Its totient is φ = 2958774336.

The previous prime is 12020021119. The next prime is 12020021131. The reversal of 12020021130 is 3112002021.

It is not an unprimeable number, because it can be changed into a prime (12020021131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15409894 + ... + 15410673.

It is an arithmetic number, because the mean of its divisors is an integer number (970847892).

Almost surely, 2^12020021130 is an apocalyptic number.

12020021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020021130 is an abundant number, since it is smaller than the sum of its proper divisors (19047111414).

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

12020021130 is a wasteful number, since it uses less digits than its factorization.

12020021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30820590.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 12020021130 its reverse (3112002021), we get a palindrome (15132023151).

The spelling of 12020021130 in words is "twelve billion, twenty million, twenty-one thousand, one hundred thirty".