212102044 has 96 divisors (see below), whose sum is σ = 490291200. Its totient is φ = 77837760.

The previous prime is 212102039. The next prime is 212102089. The reversal of 212102044 is 440201212.

212102044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559447 + ... + 559825.

It is an arithmetic number, because the mean of its divisors is an integer number (5107200).

Almost surely, 2^212102044 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 212102044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245145600).

212102044 is an abundant number, since it is smaller than the sum of its proper divisors (278189156).

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

212102044 is a wasteful number, since it uses less digits than its factorization.

212102044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 212102044 is about 14563.7235623312. The cubic root of 212102044 is about 596.3688504002.

Adding to 212102044 its reverse (440201212), we get a palindrome (652303256).

The spelling of 212102044 in words is "two hundred twelve million, one hundred two thousand, forty-four".