212451024344 has 32 divisors (see below), whose sum is σ = 432996898320. Its totient is φ = 97137918336.

The previous prime is 212451024323. The next prime is 212451024407. The reversal of 212451024344 is 443420154212.

It is a self number, because there is not a number n which added to its sum of digits gives 212451024344.

It is a congruent number.

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, 9534659 + ... + 9556914.

Almost surely, 2^212451024344 is an apocalyptic number.

It is an amenable number.

212451024344 is an abundant number, since it is smaller than the sum of its proper divisors (220545873976).

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

212451024344 is a wasteful number, since it uses less digits than its factorization.

212451024344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19091699 (or 19091695 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 212451024344 its reverse (443420154212), we get a palindrome (655871178556).

The spelling of 212451024344 in words is "two hundred twelve billion, four hundred fifty-one million, twenty-four thousand, three hundred forty-four".