212046260 has 96 divisors (see below), whose sum is σ = 486652320. Its totient is φ = 77414400.

The previous prime is 212046259. The next prime is 212046299. The reversal of 212046260 is 62640212.

It can be written as a sum of positive squares in 16 ways, for example, as 28281124 + 183765136 = 5318^2 + 13556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879740 + ... + 879980.

It is an arithmetic number, because the mean of its divisors is an integer number (5069295).

Almost surely, 2^212046260 is an apocalyptic number.

212046260 is a gapful number since it is divisible by the number (20) 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 212046260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243326160).

212046260 is an abundant number, since it is smaller than the sum of its proper divisors (274606060).

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

212046260 is a wasteful number, since it uses less digits than its factorization.

212046260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 212046260 is about 14561.8082668328. The cubic root of 212046260 is about 596.3165630573.

Adding to 212046260 its reverse (62640212), we get a palindrome (274686472).

The spelling of 212046260 in words is "two hundred twelve million, forty-six thousand, two hundred sixty".