212001020120112 has 20 divisors (see below), whose sum is σ = 547669301977080. Its totient is φ = 70667006706688.

The previous prime is 212001020120111. The next prime is 212001020120233. The reversal of 212001020120112 is 211021020100212.

It is a junction number, because it is equal to n+sod(n) for n = 212001020120091 and 212001020120100.

It is not an unprimeable number, because it can be changed into a prime (212001020120111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208343959537 + ... + 2208343959632.

It is an arithmetic number, because the mean of its divisors is an integer number (27383465098854).

Almost surely, 2^{212001020120112} is an apocalyptic number.

It is an amenable number.

212001020120112 is an abundant number, since it is smaller than the sum of its proper divisors (335668281856968).

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

212001020120112 is a wasteful number, since it uses less digits than its factorization.

212001020120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416687919180 (or 4416687919174 counting only the distinct ones).

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

Adding to 212001020120112 its reverse (211021020100212), we get a palindrome (423022040220324).

The spelling of 212001020120112 in words is "two hundred twelve trillion, one billion, twenty million, one hundred twenty thousand, one hundred twelve".