20210120012112 has 80 divisors (see below), whose sum is σ = 52665601989312. Its totient is φ = 6677992115200.

The previous prime is 20210120012101. The next prime is 20210120012143. The reversal of 20210120012112 is 21121002101202.

It is a junction number, because it is equal to n+sod(n) for n = 20210120012091 and 20210120012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2417683 + ... + 6801869.

Almost surely, 2^{20210120012112} is an apocalyptic number.

It is an amenable number.

20210120012112 is an abundant number, since it is smaller than the sum of its proper divisors (32455481977200).

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

20210120012112 is a wasteful number, since it uses less digits than its factorization.

20210120012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385036 (or 4385030 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20210120012112 its reverse (21121002101202), we get a palindrome (41331122113314).

The spelling of 20210120012112 in words is "twenty trillion, two hundred ten billion, one hundred twenty million, twelve thousand, one hundred twelve".