212200433044 has 12 divisors (see below), whose sum is σ = 371355278868. Its totient is φ = 106098924800.

The previous prime is 212200432973. The next prime is 212200433051. The reversal of 212200433044 is 440334002212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104498320644 + 107702112400 = 323262^2 + 328180^2 .

It is a super-2 number, since 2×212200433044² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111684 + ... + 660964.

It is an arithmetic number, because the mean of its divisors is an integer number (30946273239).

Almost surely, 2^212200433044 is an apocalyptic number.

It is an amenable number.

212200433044 is a deficient number, since it is larger than the sum of its proper divisors (159154845824).

212200433044 is a wasteful number, since it uses less digits than its factorization.

212200433044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645866 (or 645864 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 212200433044 its reverse (440334002212), we get a palindrome (652534435256).

The spelling of 212200433044 in words is "two hundred twelve billion, two hundred million, four hundred thirty-three thousand, forty-four".