212021202112 has 112 divisors (see below), whose sum is σ = 437814720000. Its totient is φ = 101800509440.

The previous prime is 212021202101. The next prime is 212021202137. The reversal of 212021202112 is 211202120212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 44177889 + ... + 44182687.

It is an arithmetic number, because the mean of its divisors is an integer number (3909060000).

Almost surely, 2^212021202112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212021202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218907360000).

212021202112 is an abundant number, since it is smaller than the sum of its proper divisors (225793517888).

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

212021202112 is a wasteful number, since it uses less digits than its factorization.

212021202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5114 (or 5104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212021202112 its reverse (211202120212), we get a palindrome (423223322324).

The spelling of 212021202112 in words is "two hundred twelve billion, twenty-one million, two hundred two thousand, one hundred twelve".