213120343144043 has 4 divisors (see below), whose sum is σ = 225656833917240. Its totient is φ = 200583852370848.

The previous prime is 213120343144039. The next prime is 213120343144099. The reversal of 213120343144043 is 340441343021312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213120343144043 - 2² = 213120343144039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213120343143994 and 213120343144012.

It is not an unprimeable number, because it can be changed into a prime (213120343144843) 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, 6268245386573 + ... + 6268245386606.

It is an arithmetic number, because the mean of its divisors is an integer number (56414208479310).

Almost surely, 2^{213120343144043} is an apocalyptic number.

213120343144043 is a deficient number, since it is larger than the sum of its proper divisors (12536490773197).

213120343144043 is a wasteful number, since it uses less digits than its factorization.

213120343144043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12536490773196.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 213120343144043 its reverse (340441343021312), we get a palindrome (553561686165355).

The spelling of 213120343144043 in words is "two hundred thirteen trillion, one hundred twenty billion, three hundred forty-three million, one hundred forty-four thousand, forty-three".