812051740196 has 6 divisors (see below), whose sum is σ = 1421090545350. Its totient is φ = 406025870096.

The previous prime is 812051740103. The next prime is 812051740229. The reversal of 812051740196 is 691047150218.

It can be written as a sum of positive squares in only one way, i.e., 535180033600 + 276871706596 = 731560^2 + 526186^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101506467521 + ... + 101506467528.

It is an arithmetic number, because the mean of its divisors is an integer number (236848424225).

Almost surely, 2^812051740196 is an apocalyptic number.

It is an amenable number.

812051740196 is a deficient number, since it is larger than the sum of its proper divisors (609038805154).

812051740196 is a wasteful number, since it uses less digits than its factorization.

812051740196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203012935053 (or 203012935051 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 812051740196 in words is "eight hundred twelve billion, fifty-one million, seven hundred forty thousand, one hundred ninety-six".