812032104 has 128 divisors (see below), whose sum is σ = 2296627200. Its totient is φ = 237530880.

The previous prime is 812032097. The next prime is 812032139. The reversal of 812032104 is 401230218.

It is a super-2 number, since 2×812032104² = 1318792275853333632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569937 + ... + 571359.

It is an arithmetic number, because the mean of its divisors is an integer number (17942400).

Almost surely, 2^812032104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 812032104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148313600).

812032104 is an abundant number, since it is smaller than the sum of its proper divisors (1484595096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812032104 is a wasteful number, since it uses less digits than its factorization.

812032104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 812032104 is about 28496.1770067495. The cubic root of 812032104 is about 932.9486340877.

The spelling of 812032104 in words is "eight hundred twelve million, thirty-two thousand, one hundred four".