212214272 has 40 divisors (see below), whose sum is σ = 428485596. Its totient is φ = 104988672.

The previous prime is 212214269. The next prime is 212214311. The reversal of 212214272 is 272412212.

It can be written as a sum of positive squares in 2 ways, for example, as 207821056 + 4393216 = 14416^2 + 2096^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47528 + ... + 51800.

Almost surely, 2^212214272 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 212214272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214242798).

212214272 is an abundant number, since it is smaller than the sum of its proper divisors (216271324).

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

212214272 is an frugal number, since it uses more digits than its factorization.

212214272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388 (or 4372 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 212214272 is about 14567.5760509427. The cubic root of 212214272 is about 596.4740159469.

Adding to 212214272 its reverse (272412212), we get a palindrome (484626484).

The spelling of 212214272 in words is "two hundred twelve million, two hundred fourteen thousand, two hundred seventy-two".