212012360704 has 33 divisors (see below), whose sum is σ = 423847134417. Its totient is φ = 105998813184.

The previous prime is 212012360689. The next prime is 212012360717. The reversal of 212012360704 is 407063210212.

The square root of 212012360704 is 460448.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60099503104 + 151912857600 = 245152^2 + 389760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14727142 + ... + 14741530.

Almost surely, 2^212012360704 is an apocalyptic number.

212012360704 is the 460448-th square number.

It is an amenable number.

212012360704 is a deficient number, since it is larger than the sum of its proper divisors (211834773713).

212012360704 is an frugal number, since it uses more digits than its factorization.

212012360704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28798 (or 14391 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 212012360704 its reverse (407063210212), we get a palindrome (619075570916).

The spelling of 212012360704 in words is "two hundred twelve billion, twelve million, three hundred sixty thousand, seven hundred four".