212224224204144 has 60 divisors (see below), whose sum is σ = 596526666197800. Its totient is φ = 70432493611392.

The previous prime is 212224224204023. The next prime is 212224224204149. The reversal of 212224224204144 is 441402422422212.

212224224204144 is a `hidden beast` number, since 2 + 1 + 2 + 22 + 422 + 4 + 204 + 1 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 212224224204099 and 212224224204108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212224224204149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3217825834 + ... + 3217891785.

Almost surely, 2^{212224224204144} is an apocalyptic number.

212224224204144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212224224204144 is an abundant number, since it is smaller than the sum of its proper divisors (384302441993656).

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

212224224204144 is a wasteful number, since it uses less digits than its factorization.

212224224204144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6435717862 (or 6435717853 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 36.

Adding to 212224224204144 its reverse (441402422422212), we get a palindrome (653626646626356).

The spelling of 212224224204144 in words is "two hundred twelve trillion, two hundred twenty-four billion, two hundred twenty-four million, two hundred four thousand, one hundred forty-four".