80212043050813 has 4 divisors (see below), whose sum is σ = 80213351820448. Its totient is φ = 80210734281180.

The previous prime is 80212043050771. The next prime is 80212043050823. The reversal of 80212043050813 is 31805034021208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80212043050813 - 2¹⁷ = 80212042919741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80212043050823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654292881 + ... + 654415462.

It is an arithmetic number, because the mean of its divisors is an integer number (20053337955112).

Almost surely, 2^{80212043050813} is an apocalyptic number.

It is an amenable number.

80212043050813 is a deficient number, since it is larger than the sum of its proper divisors (1308769635).

80212043050813 is a wasteful number, since it uses less digits than its factorization.

80212043050813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308769634.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 80212043050813 in words is "eighty trillion, two hundred twelve billion, forty-three million, fifty thousand, eight hundred thirteen".