812232196 has 6 divisors (see below), whose sum is σ = 1421406350. Its totient is φ = 406116096.

The previous prime is 812232193. The next prime is 812232199. The reversal of 812232196 is 691232218.

It is an interprime number because it is at equal distance from previous prime (812232193) and next prime (812232199).

It can be written as a sum of positive squares in only one way, i.e., 766182400 + 46049796 = 27680^2 + 6786^2 .

It is a super-2 number, since 2×812232196² = 1319442280437964832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (812232193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101529021 + ... + 101529028.

Almost surely, 2^812232196 is an apocalyptic number.

It is an amenable number.

812232196 is a deficient number, since it is larger than the sum of its proper divisors (609174154).

812232196 is a wasteful number, since it uses less digits than its factorization.

812232196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203058053 (or 203058051 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 812232196 is about 28499.6876474112. The cubic root of 812232196 is about 933.0252567674.

The spelling of 812232196 in words is "eight hundred twelve million, two hundred thirty-two thousand, one hundred ninety-six".