213120001043 has 2 divisors, whose sum is σ = 213120001044. Its totient is φ = 213120001042.

The previous prime is 213120001009. The next prime is 213120001151. The reversal of 213120001043 is 340100021312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213120001043 - 2¹⁰ = 213120000019 is a prime.

It is not a weakly prime, because it can be changed into another prime (213120000043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106560000521 + 106560000522.

It is an arithmetic number, because the mean of its divisors is an integer number (106560000522).

Almost surely, 2^213120001043 is an apocalyptic number.

213120001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

213120001043 is an equidigital number, since it uses as much as digits as its factorization.

213120001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213120001043 its reverse (340100021312), we get a palindrome (553220022355).

The spelling of 213120001043 in words is "two hundred thirteen billion, one hundred twenty million, one thousand, forty-three".