212144411 has 8 divisors (see below), whose sum is σ = 226686240. Its totient is φ = 197831808.

The previous prime is 212144393. The next prime is 212144419. The reversal of 212144411 is 114441212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212144411 - 2¹⁸ = 211882267 is a prime.

It is a super-2 number, since 2×212144411² = 90010502237073842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212144419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55391 + ... + 59096.

It is an arithmetic number, because the mean of its divisors is an integer number (28335780).

Almost surely, 2^212144411 is an apocalyptic number.

212144411 is a deficient number, since it is larger than the sum of its proper divisors (14541829).

212144411 is a wasteful number, since it uses less digits than its factorization.

212144411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114613.

The product of its digits is 256, while the sum is 20.

The square root of 212144411 is about 14565.1780284348. The cubic root of 212144411 is about 596.4085556234.

Adding to 212144411 its reverse (114441212), we get a palindrome (326585623).

The spelling of 212144411 in words is "two hundred twelve million, one hundred forty-four thousand, four hundred eleven".