43334212015121 has 2 divisors, whose sum is σ = 43334212015122. Its totient is φ = 43334212015120.

The previous prime is 43334212015063. The next prime is 43334212015151. The reversal of 43334212015121 is 12151021243334.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29261997838096 + 14072214177025 = 5409436^2 + 3751295^2 .

It is a cyclic number.

It is not a de Polignac number, because 43334212015121 - 2³⁸ = 43059334108177 is a prime.

It is not a weakly prime, because it can be changed into another prime (43334212015151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21667106007560 + 21667106007561.

It is an arithmetic number, because the mean of its divisors is an integer number (21667106007561).

Almost surely, 2^{43334212015121} is an apocalyptic number.

It is an amenable number.

43334212015121 is a deficient number, since it is larger than the sum of its proper divisors (1).

43334212015121 is an equidigital number, since it uses as much as digits as its factorization.

43334212015121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 43334212015121 its reverse (12151021243334), we get a palindrome (55485233258455).

The spelling of 43334212015121 in words is "forty-three trillion, three hundred thirty-four billion, two hundred twelve million, fifteen thousand, one hundred twenty-one".