43342012213 has 2 divisors, whose sum is σ = 43342012214. Its totient is φ = 43342012212.

The previous prime is 43342012183. The next prime is 43342012223. The reversal of 43342012213 is 31221024334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22182527844 + 21159484369 = 148938^2 + 145463^2 .

It is a cyclic number.

It is not a de Polignac number, because 43342012213 - 2¹³ = 43342004021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43342012223) 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 as a sum of consecutive naturals, namely, 21671006106 + 21671006107.

It is an arithmetic number, because the mean of its divisors is an integer number (21671006107).

Almost surely, 2^43342012213 is an apocalyptic number.

It is an amenable number.

43342012213 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342012213 is an equidigital number, since it uses as much as digits as its factorization.

43342012213 is an odious number, because the sum of its binary digits is odd.

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

Adding to 43342012213 its reverse (31221024334), we get a palindrome (74563036547).

The spelling of 43342012213 in words is "forty-three billion, three hundred forty-two million, twelve thousand, two hundred thirteen".