213433442405052 has 12 divisors (see below), whose sum is σ = 498011365611816. Its totient is φ = 71144480801680.

The previous prime is 213433442405003. The next prime is 213433442405059. The reversal of 213433442405052 is 250504244334312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 213433442404995 and 213433442405013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213433442405059) 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, 8893060100199 + ... + 8893060100222.

It is an arithmetic number, because the mean of its divisors is an integer number (41500947134318).

Almost surely, 2^{213433442405052} is an apocalyptic number.

It is an amenable number.

213433442405052 is an abundant number, since it is smaller than the sum of its proper divisors (284577923206764).

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

213433442405052 is a wasteful number, since it uses less digits than its factorization.

213433442405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17786120200428 (or 17786120200426 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

Adding to 213433442405052 its reverse (250504244334312), we get a palindrome (463937686739364).

The spelling of 213433442405052 in words is "two hundred thirteen trillion, four hundred thirty-three billion, four hundred forty-two million, four hundred five thousand, fifty-two".