213234121304 has 16 divisors (see below), whose sum is σ = 402865994520. Its totient is φ = 105803189440.

The previous prime is 213234121301. The next prime is 213234121337. The reversal of 213234121304 is 403121432312.

213234121304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213234121301) 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, 101732789 + ... + 101734884.

Almost surely, 2^213234121304 is an apocalyptic number.

It is an amenable number.

213234121304 is a deficient number, since it is larger than the sum of its proper divisors (189631873216).

213234121304 is a wasteful number, since it uses less digits than its factorization.

213234121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203467810 (or 203467806 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213234121304 its reverse (403121432312), we get a palindrome (616355553616).

The spelling of 213234121304 in words is "two hundred thirteen billion, two hundred thirty-four million, one hundred twenty-one thousand, three hundred four".