212421124400044 has 36 divisors (see below), whose sum is σ = 432439215332376. Its totient is φ = 91035414679104.

The previous prime is 212421124400039. The next prime is 212421124400053. The reversal of 212421124400044 is 440004421124212.

It is a junction number, because it is equal to n+sod(n) for n = 212421124399979 and 212421124400015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5048142 + ... + 21220885.

Almost surely, 2^{212421124400044} is an apocalyptic number.

It is an amenable number.

212421124400044 is an abundant number, since it is smaller than the sum of its proper divisors (220018090932332).

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

212421124400044 is a wasteful number, since it uses less digits than its factorization.

212421124400044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26310302 (or 26310293 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 212421124400044 its reverse (440004421124212), we get a palindrome (652425545524256).

The spelling of 212421124400044 in words is "two hundred twelve trillion, four hundred twenty-one billion, one hundred twenty-four million, four hundred thousand, forty-four".