612127397071 has 4 divisors (see below), whose sum is σ = 612672480472. Its totient is φ = 611582313672.

The previous prime is 612127397027. The next prime is 612127397083. The reversal of 612127397071 is 170793721216.

612127397071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 612127397071 - 2¹³ = 612127388879 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 (612127397971) 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, 272540016 + ... + 272542261.

It is an arithmetic number, because the mean of its divisors is an integer number (153168120118).

Almost surely, 2^612127397071 is an apocalyptic number.

612127397071 is a deficient number, since it is larger than the sum of its proper divisors (545083401).

612127397071 is a wasteful number, since it uses less digits than its factorization.

612127397071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545083400.

The product of its (nonzero) digits is 222264, while the sum is 46.

The spelling of 612127397071 in words is "six hundred twelve billion, one hundred twenty-seven million, three hundred ninety-seven thousand, seventy-one".