212030243244 has 60 divisors (see below), whose sum is σ = 578388477744. Its totient is φ = 67603843296.

The previous prime is 212030243219. The next prime is 212030243263. The reversal of 212030243244 is 442342030212.

212030243244 is a `hidden beast` number, since 21 + 203 + 0 + 2 + 432 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14218947 + ... + 14233850.

Almost surely, 2^212030243244 is an apocalyptic number.

It is an amenable number.

212030243244 is an abundant number, since it is smaller than the sum of its proper divisors (366358234500).

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

212030243244 is a wasteful number, since it uses less digits than its factorization.

212030243244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28452836 (or 28452825 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 212030243244 its reverse (442342030212), we get a palindrome (654372273456).

The spelling of 212030243244 in words is "two hundred twelve billion, thirty million, two hundred forty-three thousand, two hundred forty-four".