731201222020012 has 6 divisors (see below), whose sum is σ = 1279602138535028. Its totient is φ = 365600611010004.

The previous prime is 731201222019997. The next prime is 731201222020067. The reversal of 731201222020012 is 210020222102137.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91400152752498 + ... + 91400152752505.

Almost surely, 2^{731201222020012} is an apocalyptic number.

It is an amenable number.

731201222020012 is a deficient number, since it is larger than the sum of its proper divisors (548400916515016).

731201222020012 is a wasteful number, since it uses less digits than its factorization.

731201222020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182800305505007 (or 182800305505005 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

Adding to 731201222020012 its reverse (210020222102137), we get a palindrome (941221444122149).

The spelling of 731201222020012 in words is "seven hundred thirty-one trillion, two hundred one billion, two hundred twenty-two million, twenty thousand, twelve".