212443004311004 has 48 divisors (see below), whose sum is σ = 410814293472576. Its totient is φ = 95613730713600.

The previous prime is 212443004311001. The next prime is 212443004311061. The reversal of 212443004311004 is 400113400344212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212443004311001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621744 + ... + 20778824.

It is an arithmetic number, because the mean of its divisors is an integer number (8558631114012).

Almost surely, 2^{212443004311004} is an apocalyptic number.

It is an amenable number.

212443004311004 is a deficient number, since it is larger than the sum of its proper divisors (198371289161572).

212443004311004 is a wasteful number, since it uses less digits than its factorization.

212443004311004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18164606 (or 18164604 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 212443004311004 its reverse (400113400344212), we get a palindrome (612556404655216).

The spelling of 212443004311004 in words is "two hundred twelve trillion, four hundred forty-three billion, four million, three hundred eleven thousand, four".