12020020010112 has 64 divisors (see below), whose sum is σ = 32286921818400. Its totient is φ = 3961654523904.

The previous prime is 12020020010041. The next prime is 12020020010171. The reversal of 12020020010112 is 21101002002021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 175820518 + ... + 175888869.

Almost surely, 2^{12020020010112} is an apocalyptic number.

12020020010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12020020010112 is an abundant number, since it is smaller than the sum of its proper divisors (20266901808288).

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

12020020010112 is an equidigital number, since it uses as much as digits as its factorization.

12020020010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351709493 (or 351709481 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12020020010112 its reverse (21101002002021), we get a palindrome (33121022012133).

The spelling of 12020020010112 in words is "twelve trillion, twenty billion, twenty million, ten thousand, one hundred twelve".