212144712 has 32 divisors (see below), whose sum is σ = 571159680. Its totient is φ = 65275200.

The previous prime is 212144627. The next prime is 212144741. The reversal of 212144712 is 217441212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339664 + ... + 340287.

It is an arithmetic number, because the mean of its divisors is an integer number (17848740).

Almost surely, 2^212144712 is an apocalyptic number.

It is an amenable number.

212144712 is an abundant number, since it is smaller than the sum of its proper divisors (359014968).

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

212144712 is a wasteful number, since it uses less digits than its factorization.

212144712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679973 (or 679969 counting only the distinct ones).

The product of its digits is 896, while the sum is 24.

The square root of 212144712 is about 14565.1883612949. The cubic root of 212144712 is about 596.4088376937.

Adding to 212144712 its reverse (217441212), we get a palindrome (429585924).

The spelling of 212144712 in words is "two hundred twelve million, one hundred forty-four thousand, seven hundred twelve".