212412320044 has 12 divisors (see below), whose sum is σ = 383712578368. Its totient is φ = 102780154800.

The previous prime is 212412320033. The next prime is 212412320047. The reversal of 212412320044 is 440023214212.

It is not an unprimeable number, because it can be changed into a prime (212412320047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856501167 + ... + 856501414.

Almost surely, 2^212412320044 is an apocalyptic number.

It is an amenable number.

212412320044 is a deficient number, since it is larger than the sum of its proper divisors (171300258324).

212412320044 is a wasteful number, since it uses less digits than its factorization.

212412320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713002616 (or 1713002614 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212412320044 its reverse (440023214212), we get a palindrome (652435534256).

The spelling of 212412320044 in words is "two hundred twelve billion, four hundred twelve million, three hundred twenty thousand, forty-four".