80012421043 has 2 divisors, whose sum is σ = 80012421044. Its totient is φ = 80012421042.

The previous prime is 80012421031. The next prime is 80012421053. The reversal of 80012421043 is 34012421008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80012421043 - 2²¹ = 80010323891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80012420999 and 80012421017.

It is not a weakly prime, because it can be changed into another prime (80012421053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40006210521 + 40006210522.

It is an arithmetic number, because the mean of its divisors is an integer number (40006210522).

Almost surely, 2^80012421043 is an apocalyptic number.

80012421043 is a deficient number, since it is larger than the sum of its proper divisors (1).

80012421043 is an equidigital number, since it uses as much as digits as its factorization.

80012421043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 25.

The spelling of 80012421043 in words is "eighty billion, twelve million, four hundred twenty-one thousand, forty-three".