43120212242213 has 2 divisors, whose sum is σ = 43120212242214. Its totient is φ = 43120212242212.

The previous prime is 43120212242201. The next prime is 43120212242269. The reversal of 43120212242213 is 31224221202134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27447980202724 + 15672232039489 = 5239082^2 + 3958817^2 .

It is a cyclic number.

It is not a de Polignac number, because 43120212242213 - 2²² = 43120208047909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43120212242273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21560106121106 + 21560106121107.

It is an arithmetic number, because the mean of its divisors is an integer number (21560106121107).

Almost surely, 2^{43120212242213} is an apocalyptic number.

It is an amenable number.

43120212242213 is a deficient number, since it is larger than the sum of its proper divisors (1).

43120212242213 is an equidigital number, since it uses as much as digits as its factorization.

43120212242213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 43120212242213 its reverse (31224221202134), we get a palindrome (74344433444347).

The spelling of 43120212242213 in words is "forty-three trillion, one hundred twenty billion, two hundred twelve million, two hundred forty-two thousand, two hundred thirteen".