43212211645133 has 2 divisors, whose sum is σ = 43212211645134. Its totient is φ = 43212211645132.

The previous prime is 43212211645069. The next prime is 43212211645171. The reversal of 43212211645133 is 33154611221234.

It is an a-pointer prime, because the next prime (43212211645171) can be obtained adding 43212211645133 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42669075072649 + 543136572484 = 6532157^2 + 736978^2 .

It is a cyclic number.

It is not a de Polignac number, because 43212211645133 - 2⁶ = 43212211645069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43212211641133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606105822566 + 21606105822567.

It is an arithmetic number, because the mean of its divisors is an integer number (21606105822567).

Almost surely, 2^{43212211645133} is an apocalyptic number.

It is an amenable number.

43212211645133 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212211645133 is an equidigital number, since it uses as much as digits as its factorization.

43212211645133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

Adding to 43212211645133 its reverse (33154611221234), we get a palindrome (76366822866367).

The spelling of 43212211645133 in words is "forty-three trillion, two hundred twelve billion, two hundred eleven million, six hundred forty-five thousand, one hundred thirty-three".