812080324012 has 12 divisors (see below), whose sum is σ = 1421157938256. Its totient is φ = 406035198800.

The previous prime is 812080323961. The next prime is 812080324037. The reversal of 812080324012 is 210423080218.

It is a happy number.

It is a super-2 number, since 2×812080324012² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859648 + ... + 1537255.

It is an arithmetic number, because the mean of its divisors is an integer number (118429828188).

Almost surely, 2^812080324012 is an apocalyptic number.

It is an amenable number.

812080324012 is a deficient number, since it is larger than the sum of its proper divisors (609077614244).

812080324012 is a wasteful number, since it uses less digits than its factorization.

812080324012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481608 (or 2481606 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The spelling of 812080324012 in words is "eight hundred twelve billion, eighty million, three hundred twenty-four thousand, twelve".