213420012433 has 4 divisors (see below), whose sum is σ = 215991337968. Its totient is φ = 210848686900.

The previous prime is 213420012419. The next prime is 213420012439. The reversal of 213420012433 is 334210024312.

213420012433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213420012433 - 2⁵ = 213420012401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213420012398 and 213420012407.

It is not an unprimeable number, because it can be changed into a prime (213420012439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285662643 + ... + 1285662808.

It is an arithmetic number, because the mean of its divisors is an integer number (53997834492).

Almost surely, 2^213420012433 is an apocalyptic number.

It is an amenable number.

213420012433 is a deficient number, since it is larger than the sum of its proper divisors (2571325535).

213420012433 is an equidigital number, since it uses as much as digits as its factorization.

213420012433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571325534.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 213420012433 its reverse (334210024312), we get a palindrome (547630036745).

The spelling of 213420012433 in words is "two hundred thirteen billion, four hundred twenty million, twelve thousand, four hundred thirty-three".