812210514 has 8 divisors (see below), whose sum is σ = 1624421040. Its totient is φ = 270736836.

The previous prime is 812210471. The next prime is 812210519. The reversal of 812210514 is 415012218.

It is a sphenic number, since it is the product of 3 distinct primes.

812210514 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (812210519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67684204 + ... + 67684215.

It is an arithmetic number, because the mean of its divisors is an integer number (203052630).

Almost surely, 2^812210514 is an apocalyptic number.

812210514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

812210514 is a wasteful number, since it uses less digits than its factorization.

812210514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135368424.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 812210514 is about 28499.3072547387. The cubic root of 812210514 is about 933.0169545299.

The spelling of 812210514 in words is "eight hundred twelve million, two hundred ten thousand, five hundred fourteen".