126612532306 has 32 divisors (see below), whose sum is σ = 216786952368. Its totient is φ = 54941214720.

The previous prime is 126612532283. The next prime is 126612532327. The reversal of 126612532306 is 603235216621.

It can be written as a sum of positive squares in 8 ways, for example, as 22116151225 + 104496381081 = 148715^2 + 323259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270936 + ... + 571516.

Almost surely, 2^126612532306 is an apocalyptic number.

126612532306 is a deficient number, since it is larger than the sum of its proper divisors (90174420062).

126612532306 is a wasteful number, since it uses less digits than its factorization.

126612532306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301566.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 126612532306 its reverse (603235216621), we get a palindrome (729847748927).

The spelling of 126612532306 in words is "one hundred twenty-six billion, six hundred twelve million, five hundred thirty-two thousand, three hundred six".