212430004044 has 12 divisors (see below), whose sum is σ = 495670009464. Its totient is φ = 70810001344.

The previous prime is 212430004043. The next prime is 212430004093. The reversal of 212430004044 is 440400034212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (212430004043) 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, 8851250157 + ... + 8851250180.

It is an arithmetic number, because the mean of its divisors is an integer number (41305834122).

Almost surely, 2^212430004044 is an apocalyptic number.

It is an amenable number.

212430004044 is an abundant number, since it is smaller than the sum of its proper divisors (283240005420).

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

212430004044 is a wasteful number, since it uses less digits than its factorization.

212430004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17702500344 (or 17702500342 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 212430004044 its reverse (440400034212), we get a palindrome (652830038256).

The spelling of 212430004044 in words is "two hundred twelve billion, four hundred thirty million, four thousand, forty-four".