43320412001 has 2 divisors, whose sum is σ = 43320412002. Its totient is φ = 43320412000.

The previous prime is 43320411997. The next prime is 43320412021. The reversal of 43320412001 is 10021402334.

It is an a-pointer prime, because the next prime (43320412021) can be obtained adding 43320412001 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38455210000 + 4865202001 = 196100^2 + 69751^2 .

It is a cyclic number.

It is not a de Polignac number, because 43320412001 - 2² = 43320411997 is a prime.

It is not a weakly prime, because it can be changed into another prime (43320412021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21660206000 + 21660206001.

It is an arithmetic number, because the mean of its divisors is an integer number (21660206001).

Almost surely, 2^43320412001 is an apocalyptic number.

It is an amenable number.

43320412001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43320412001 is an equidigital number, since it uses as much as digits as its factorization.

43320412001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43320412001 its reverse (10021402334), we get a palindrome (53341814335).

The spelling of 43320412001 in words is "forty-three billion, three hundred twenty million, four hundred twelve thousand, one".