20210120200112 has 40 divisors (see below), whose sum is σ = 41224734989760. Its totient is φ = 9571652504640.

The previous prime is 20210120200099. The next prime is 20210120200121. The reversal of 20210120200112 is 21100202101202.

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 in 7 ways as a sum of consecutive naturals, for example, 3557858 + ... + 7285505.

It is an arithmetic number, because the mean of its divisors is an integer number (1030618374744).

Almost surely, 2^{20210120200112} is an apocalyptic number.

It is an amenable number.

20210120200112 is an abundant number, since it is smaller than the sum of its proper divisors (21014614789648).

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

20210120200112 is a wasteful number, since it uses less digits than its factorization.

20210120200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849521 (or 10849515 counting only the distinct ones).

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

Adding to 20210120200112 its reverse (21100202101202), we get a palindrome (41310322301314).

The spelling of 20210120200112 in words is "twenty trillion, two hundred ten billion, one hundred twenty million, two hundred thousand, one hundred twelve".