213322121004 has 48 divisors (see below), whose sum is σ = 509098318848. Its totient is φ = 69490917888.

The previous prime is 213322120993. The next prime is 213322121009. The reversal of 213322121004 is 400121223312.

It is not an unprimeable number, because it can be changed into a prime (213322121009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98569 + ... + 660575.

It is an arithmetic number, because the mean of its divisors is an integer number (10606214976).

Almost surely, 2^213322121004 is an apocalyptic number.

It is an amenable number.

213322121004 is an abundant number, since it is smaller than the sum of its proper divisors (295776197844).

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

213322121004 is a wasteful number, since it uses less digits than its factorization.

213322121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562734 (or 562732 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 213322121004 its reverse (400121223312), we get a palindrome (613443344316).

The spelling of 213322121004 in words is "two hundred thirteen billion, three hundred twenty-two million, one hundred twenty-one thousand, four".