212234433044 has 12 divisors (see below), whose sum is σ = 371482934004. Its totient is φ = 106096451904.

The previous prime is 212234433043. The next prime is 212234433049. The reversal of 212234433044 is 440334432212.

It can be written as a sum of positive squares in 2 ways, for example, as 89006755600 + 123227677444 = 298340^2 + 351038^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212234433044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212234433043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5168147 + ... + 5209050.

It is an arithmetic number, because the mean of its divisors is an integer number (30956911167).

Almost surely, 2^212234433044 is an apocalyptic number.

It is an amenable number.

212234433044 is a deficient number, since it is larger than the sum of its proper divisors (159248500960).

212234433044 is a wasteful number, since it uses less digits than its factorization.

212234433044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10382314 (or 10382312 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 212234433044 its reverse (440334432212), we get a palindrome (652568865256).

The spelling of 212234433044 in words is "two hundred twelve billion, two hundred thirty-four million, four hundred thirty-three thousand, forty-four".