812547608002 has 16 divisors (see below), whose sum is σ = 1312620244992. Its totient is φ = 375009590160.

The previous prime is 812547607943. The next prime is 812547608003. The reversal of 812547608002 is 200806745218.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 812547608002.

It is not an unprimeable number, because it can be changed into a prime (812547608003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311673 + ... + 1312339.

It is an arithmetic number, because the mean of its divisors is an integer number (82038765312).

Almost surely, 2^812547608002 is an apocalyptic number.

812547608002 is a deficient number, since it is larger than the sum of its proper divisors (500072636990).

812547608002 is a wasteful number, since it uses less digits than its factorization.

812547608002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031913.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 812547608002 in words is "eight hundred twelve billion, five hundred forty-seven million, six hundred eight thousand, two".