213122434006 has 16 divisors (see below), whose sum is σ = 330029227008. Its totient is φ = 103113383400.

The previous prime is 213122434001. The next prime is 213122434051. The reversal of 213122434006 is 600434221312.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213122434001) 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, 467271 + ... + 802861.

It is an arithmetic number, because the mean of its divisors is an integer number (20626826688).

Almost surely, 2^213122434006 is an apocalyptic number.

213122434006 is a deficient number, since it is larger than the sum of its proper divisors (116906793002).

213122434006 is a wasteful number, since it uses less digits than its factorization.

213122434006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345867.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 213122434006 its reverse (600434221312), we get a palindrome (813556655318).

The spelling of 213122434006 in words is "two hundred thirteen billion, one hundred twenty-two million, four hundred thirty-four thousand, six".