212100020020112 has 40 divisors (see below), whose sum is σ = 469769579548800. Its totient is φ = 90876872731392.

The previous prime is 212100020020103. The next prime is 212100020020157. The reversal of 212100020020112 is 211020020001212.

It is a super-2 number, since 2×212100020020112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240556412 + ... + 241436507.

It is an arithmetic number, because the mean of its divisors is an integer number (11744239488720).

Almost surely, 2^{212100020020112} is an apocalyptic number.

It is an amenable number.

212100020020112 is an abundant number, since it is smaller than the sum of its proper divisors (257669559528688).

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

212100020020112 is a wasteful number, since it uses less digits than its factorization.

212100020020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481996863 (or 481996857 counting only the distinct ones).

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

Adding to 212100020020112 its reverse (211020020001212), we get a palindrome (423120040021324).

The spelling of 212100020020112 in words is "two hundred twelve trillion, one hundred billion, twenty million, twenty thousand, one hundred twelve".