612132650 has 12 divisors (see below), whose sum is σ = 1138566822. Its totient is φ = 244853040.

The previous prime is 612132643. The next prime is 612132659. The reversal of 612132650 is 56231216.

612132650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 521254561 + 90878089 = 22831^2 + 9533^2 .

It is not an unprimeable number, because it can be changed into a prime (612132659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6121277 + ... + 6121376.

Almost surely, 2^612132650 is an apocalyptic number.

612132650 is a deficient number, since it is larger than the sum of its proper divisors (526434172).

612132650 is a wasteful number, since it uses less digits than its factorization.

612132650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242665 (or 12242660 counting only the distinct ones).

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

The square root of 612132650 is about 24741.3146376663. The cubic root of 612132650 is about 849.0798115686.

Adding to 612132650 its reverse (56231216), we get a palindrome (668363866).

The spelling of 612132650 in words is "six hundred twelve million, one hundred thirty-two thousand, six hundred fifty".