212532044444 has 24 divisors (see below), whose sum is σ = 392390221440. Its totient is φ = 100445804784.

The previous prime is 212532044443. The next prime is 212532044509. The reversal of 212532044444 is 444440235212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212532044443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3122624 + ... + 3189959.

It is an arithmetic number, because the mean of its divisors is an integer number (16349592560).

Almost surely, 2^212532044444 is an apocalyptic number.

It is an amenable number.

212532044444 is a deficient number, since it is larger than the sum of its proper divisors (179858176996).

212532044444 is a wasteful number, since it uses less digits than its factorization.

212532044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313049 (or 6313047 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 35.

Adding to 212532044444 its reverse (444440235212), we get a palindrome (656972279656).

The spelling of 212532044444 in words is "two hundred twelve billion, five hundred thirty-two million, forty-four thousand, four hundred forty-four".