212234442004 has 24 divisors (see below), whose sum is σ = 400113429408. Its totient is φ = 97921753440.

The previous prime is 212234441983. The next prime is 212234442019. The reversal of 212234442004 is 400244432212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521182 + ... + 834325.

It is an arithmetic number, because the mean of its divisors is an integer number (16671392892).

Almost surely, 2^212234442004 is an apocalyptic number.

It is an amenable number.

212234442004 is a deficient number, since it is larger than the sum of its proper divisors (187878987404).

212234442004 is a wasteful number, since it uses less digits than its factorization.

212234442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358535 (or 1358533 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 212234442004 its reverse (400244432212), we get a palindrome (612478874216).

The spelling of 212234442004 in words is "two hundred twelve billion, two hundred thirty-four million, four hundred forty-two thousand, four".