812081284048 has 20 divisors (see below), whose sum is σ = 1592364207168. Its totient is φ = 401148585440.

The previous prime is 812081284037. The next prime is 812081284057. The reversal of 812081284048 is 840482180218.

It is a junction number, because it is equal to n+sod(n) for n = 812081283989 and 812081284007.

It is a congruent number.

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, 305752168 + ... + 305754823.

Almost surely, 2^812081284048 is an apocalyptic number.

It is an amenable number.

812081284048 is a deficient number, since it is larger than the sum of its proper divisors (780282923120).

812081284048 is a wasteful number, since it uses less digits than its factorization.

812081284048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611507082 (or 611507076 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 46.

The spelling of 812081284048 in words is "eight hundred twelve billion, eighty-one million, two hundred eighty-four thousand, forty-eight".