422520331012 has 12 divisors (see below), whose sum is σ = 796288316236. Its totient is φ = 195009383520.

The previous prime is 422520330917. The next prime is 422520331027. The reversal of 422520331012 is 210133025224.

It can be written as a sum of positive squares in 2 ways, for example, as 203810714116 + 218709616896 = 451454^2 + 467664^2 .

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, 4062695439 + ... + 4062695542.

Almost surely, 2^422520331012 is an apocalyptic number.

It is an amenable number.

422520331012 is a deficient number, since it is larger than the sum of its proper divisors (373767985224).

422520331012 is a wasteful number, since it uses less digits than its factorization.

422520331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8125390998 (or 8125390996 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 422520331012 its reverse (210133025224), we get a palindrome (632653356236).

The spelling of 422520331012 in words is "four hundred twenty-two billion, five hundred twenty million, three hundred thirty-one thousand, twelve".