812236032626 has 16 divisors (see below), whose sum is σ = 1223812687896. Its totient is φ = 404301856896.

The previous prime is 812236032563. The next prime is 812236032661. The reversal of 812236032626 is 626230632218.

It can be written as a sum of positive squares in 4 ways, for example, as 521767852225 + 290468180401 = 722335^2 + 538951^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366251 + ... + 1326126.

Almost surely, 2^812236032626 is an apocalyptic number.

812236032626 is a deficient number, since it is larger than the sum of its proper divisors (411576655270).

812236032626 is a wasteful number, since it uses less digits than its factorization.

812236032626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693453.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 812236032626 in words is "eight hundred twelve billion, two hundred thirty-six million, thirty-two thousand, six hundred twenty-six".