12020020112 has 10 divisors (see below), whose sum is σ = 23288788998. Its totient is φ = 6010010048.

The previous prime is 12020020109. The next prime is 12020020147. The reversal of 12020020112 is 21102002021.

It is a happy number.

12020020112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11135314576 + 884705536 = 105524^2 + 29744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12020020093 and 12020020102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375625613 + ... + 375625644.

Almost surely, 2^12020020112 is an apocalyptic number.

It is an amenable number.

12020020112 is a deficient number, since it is larger than the sum of its proper divisors (11268768886).

12020020112 is an equidigital number, since it uses as much as digits as its factorization.

12020020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751251265 (or 751251259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020020112 its reverse (21102002021), we get a palindrome (33122022133).

The spelling of 12020020112 in words is "twelve billion, twenty million, twenty thousand, one hundred twelve".