212424044144 has 40 divisors (see below), whose sum is σ = 443916275040. Its totient is φ = 97890271488.

The previous prime is 212424044143. The next prime is 212424044179. The reversal of 212424044144 is 441440424212.

It is a self number, because there is not a number n which added to its sum of digits gives 212424044144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212424044143) 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, 654659 + ... + 923810.

It is an arithmetic number, because the mean of its divisors is an integer number (11097906876).

Almost surely, 2^212424044144 is an apocalyptic number.

It is an amenable number.

212424044144 is an abundant number, since it is smaller than the sum of its proper divisors (231492230896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212424044144 is a wasteful number, since it uses less digits than its factorization.

212424044144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579137 (or 1579131 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 212424044144 its reverse (441440424212), we get a palindrome (653864468356).

The spelling of 212424044144 in words is "two hundred twelve billion, four hundred twenty-four million, forty-four thousand, one hundred forty-four".