612531012230 has 16 divisors (see below), whose sum is σ = 1123358763024. Its totient is φ = 240389529120.

The previous prime is 612531012211. The next prime is 612531012277. The reversal of 612531012230 is 32210135216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 612531012230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577858916 + ... + 577859975.

It is an arithmetic number, because the mean of its divisors is an integer number (70209922689).

Almost surely, 2^612531012230 is an apocalyptic number.

612531012230 is a deficient number, since it is larger than the sum of its proper divisors (510827750794).

612531012230 is a wasteful number, since it uses less digits than its factorization.

612531012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155718951.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 612531012230 its reverse (32210135216), we get a palindrome (644741147446).

The spelling of 612531012230 in words is "six hundred twelve billion, five hundred thirty-one million, twelve thousand, two hundred thirty".