612231142825671 has 4 divisors (see below), whose sum is σ = 816308190434232. Its totient is φ = 408154095217112.

The previous prime is 612231142825663. The next prime is 612231142825693. The reversal of 612231142825671 is 176528241132216.

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 612231142825671 - 2³ = 612231142825663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612231142825661) 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, 102038523804276 + ... + 102038523804281.

It is an arithmetic number, because the mean of its divisors is an integer number (204077047608558).

Almost surely, 2^{612231142825671} is an apocalyptic number.

612231142825671 is a deficient number, since it is larger than the sum of its proper divisors (204077047608561).

612231142825671 is a wasteful number, since it uses less digits than its factorization.

612231142825671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204077047608560.

The product of its digits is 1935360, while the sum is 51.

Adding to 612231142825671 its reverse (176528241132216), we get a palindrome (788759383957887).

The spelling of 612231142825671 in words is "six hundred twelve trillion, two hundred thirty-one billion, one hundred forty-two million, eight hundred twenty-five thousand, six hundred seventy-one".