213433454543252 has 12 divisors (see below), whose sum is σ = 389748047426976. Its totient is φ = 102076869564120.

The previous prime is 213433454543227. The next prime is 213433454543273. The reversal of 213433454543252 is 252345454334312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213433454543252.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1159964426774 + ... + 1159964426957.

It is an arithmetic number, because the mean of its divisors is an integer number (32479003952248).

Almost surely, 2^{213433454543252} is an apocalyptic number.

It is an amenable number.

213433454543252 is a deficient number, since it is larger than the sum of its proper divisors (176314592883724).

213433454543252 is a wasteful number, since it uses less digits than its factorization.

213433454543252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319928853758 (or 2319928853756 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 50.

The spelling of 213433454543252 in words is "two hundred thirteen trillion, four hundred thirty-three billion, four hundred fifty-four million, five hundred forty-three thousand, two hundred fifty-two".