43212221002079 has 2 divisors, whose sum is σ = 43212221002080. Its totient is φ = 43212221002078.

The previous prime is 43212221002019. The next prime is 43212221002123. The reversal of 43212221002079 is 97020012221234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43212221002079 - 2⁸ = 43212221001823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43212221002009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606110501039 + 21606110501040.

It is an arithmetic number, because the mean of its divisors is an integer number (21606110501040).

Almost surely, 2^{43212221002079} is an apocalyptic number.

43212221002079 is a deficient number, since it is larger than the sum of its proper divisors (1).

43212221002079 is an equidigital number, since it uses as much as digits as its factorization.

43212221002079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 43212221002079 in words is "forty-three trillion, two hundred twelve billion, two hundred twenty-one million, two thousand, seventy-nine".