612722207273 has 4 divisors (see below), whose sum is σ = 668424226128. Its totient is φ = 557020188420.

The previous prime is 612722207261. The next prime is 612722207291. The reversal of 612722207273 is 372702227216.

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 612722207273 - 2²⁰ = 612721158697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 612722207273.

It is not an unprimeable number, because it can be changed into a prime (612722207213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27851009411 + ... + 27851009432.

It is an arithmetic number, because the mean of its divisors is an integer number (167106056532).

Almost surely, 2^612722207273 is an apocalyptic number.

It is an amenable number.

612722207273 is a deficient number, since it is larger than the sum of its proper divisors (55702018855).

612722207273 is a wasteful number, since it uses less digits than its factorization.

612722207273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55702018854.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 612722207273 in words is "six hundred twelve billion, seven hundred twenty-two million, two hundred seven thousand, two hundred seventy-three".