212102021001112 has 96 divisors (see below), whose sum is σ = 441492576330960. Its totient is φ = 95448364704000.

The previous prime is 212102021001109. The next prime is 212102021001139. The reversal of 212102021001112 is 211100120201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1449532978 + ... + 1449679294.

Almost surely, 2^{212102021001112} is an apocalyptic number.

212102021001112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212102021001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220746288165480).

212102021001112 is an abundant number, since it is smaller than the sum of its proper divisors (229390555329848).

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

212102021001112 is a wasteful number, since it uses less digits than its factorization.

212102021001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161273 (or 161258 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212102021001112 its reverse (211100120201212), we get a palindrome (423202141202324).

It can be divided in two parts, 2121020 and 21001112, that added together give a palindrome (23122132).

The spelling of 212102021001112 in words is "two hundred twelve trillion, one hundred two billion, twenty-one million, one thousand, one hundred twelve".