812302112 has 12 divisors (see below), whose sum is σ = 1599219846. Its totient is φ = 406151040.

The previous prime is 812302087. The next prime is 812302123. The reversal of 812302112 is 211203218.

It can be written as a sum of positive squares in only one way, i.e., 475065616 + 337236496 = 21796^2 + 18364^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12692189 + ... + 12692252.

Almost surely, 2^812302112 is an apocalyptic number.

It is an amenable number.

812302112 is a deficient number, since it is larger than the sum of its proper divisors (786917734).

812302112 is a wasteful number, since it uses less digits than its factorization.

812302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25384451 (or 25384443 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 812302112 is about 28500.9142309506. The cubic root of 812302112 is about 933.0520272412.

The spelling of 812302112 in words is "eight hundred twelve million, three hundred two thousand, one hundred twelve".