213333525012 has 24 divisors (see below), whose sum is σ = 497788804800. Its totient is φ = 71109663616.

The previous prime is 213333525001. The next prime is 213333525043. The reversal of 213333525012 is 210525333312.

It is a happy number.

It is a super-2 number, since 2×213333525012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499564 + ... + 822332.

It is an arithmetic number, because the mean of its divisors is an integer number (20741200200).

Almost surely, 2^213333525012 is an apocalyptic number.

It is an amenable number.

213333525012 is an abundant number, since it is smaller than the sum of its proper divisors (284455279788).

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

213333525012 is a wasteful number, since it uses less digits than its factorization.

213333525012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377855 (or 377853 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 213333525012 its reverse (210525333312), we get a palindrome (423858858324).

The spelling of 213333525012 in words is "two hundred thirteen billion, three hundred thirty-three million, five hundred twenty-five thousand, twelve".