20200120012112 has 20 divisors (see below), whose sum is σ = 39137817787200. Its totient is φ = 10100038002528.

The previous prime is 20200120012099. The next prime is 20200120012117. The reversal of 20200120012112 is 21121002100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200120012117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8232713 + ... + 10400855.

It is an arithmetic number, because the mean of its divisors is an integer number (1956890889360).

Almost surely, 2^{20200120012112} is an apocalyptic number.

It is an amenable number.

20200120012112 is a deficient number, since it is larger than the sum of its proper divisors (18937697775088).

20200120012112 is a wasteful number, since it uses less digits than its factorization.

20200120012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750450 (or 2750444 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20200120012112 its reverse (21121002100202), we get a palindrome (41321122112314).

The spelling of 20200120012112 in words is "twenty trillion, two hundred billion, one hundred twenty million, twelve thousand, one hundred twelve".