212224411144 has 8 divisors (see below), whose sum is σ = 397920770910. Its totient is φ = 106112205568.

The previous prime is 212224411121. The next prime is 212224411159. The reversal of 212224411144 is 441114422212.

It can be written as a sum of positive squares in only one way, i.e., 202977280900 + 9247130244 = 450530^2 + 96162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13264025689 + ... + 13264025704.

Almost surely, 2^212224411144 is an apocalyptic number.

It is an amenable number.

212224411144 is a deficient number, since it is larger than the sum of its proper divisors (185696359766).

212224411144 is a wasteful number, since it uses less digits than its factorization.

212224411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26528051399 (or 26528051395 counting only the distinct ones).

The product of its digits is 4096, while the sum is 28.

Adding to 212224411144 its reverse (441114422212), we get a palindrome (653338833356).

The spelling of 212224411144 in words is "two hundred twelve billion, two hundred twenty-four million, four hundred eleven thousand, one hundred forty-four".