812124484412 has 6 divisors (see below), whose sum is σ = 1421217847728. Its totient is φ = 406062242204.

The previous prime is 812124484411. The next prime is 812124484427. The reversal of 812124484412 is 214484421218.

812124484412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 812124484412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812124484411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101515560548 + ... + 101515560555.

It is an arithmetic number, because the mean of its divisors is an integer number (236869641288).

Almost surely, 2^812124484412 is an apocalyptic number.

It is an amenable number.

812124484412 is a deficient number, since it is larger than the sum of its proper divisors (609093363316).

812124484412 is a wasteful number, since it uses less digits than its factorization.

812124484412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203031121107 (or 203031121105 counting only the distinct ones).

The product of its digits is 131072, while the sum is 41.

The spelling of 812124484412 in words is "eight hundred twelve billion, one hundred twenty-four million, four hundred eighty-four thousand, four hundred twelve".