712116205 has 4 divisors (see below), whose sum is σ = 854539452. Its totient is φ = 569692960.

The previous prime is 712116173. The next prime is 712116211. The reversal of 712116205 is 502611217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502611217 = 3659 ⋅137363.

It can be written as a sum of positive squares in 2 ways, for example, as 355737321 + 356378884 = 18861^2 + 18878^2 .

It is not a de Polignac number, because 712116205 - 2⁵ = 712116173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 712116205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71211616 + ... + 71211625.

It is an arithmetic number, because the mean of its divisors is an integer number (213634863).

Almost surely, 2^712116205 is an apocalyptic number.

It is an amenable number.

712116205 is a deficient number, since it is larger than the sum of its proper divisors (142423247).

712116205 is a wasteful number, since it uses less digits than its factorization.

712116205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142423246.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 712116205 is about 26685.5055226615. The cubic root of 712116205 is about 892.9975956600.

The spelling of 712116205 in words is "seven hundred twelve million, one hundred sixteen thousand, two hundred five".