631773364727212 has 24 divisors (see below), whose sum is σ = 1107402022352304. Its totient is φ = 315372793139712.

The previous prime is 631773364727207. The next prime is 631773364727221. The reversal of 631773364727212 is 212727463377136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460700548 + ... + 462069844.

It is an arithmetic number, because the mean of its divisors is an integer number (46141750931346).

Almost surely, 2^{631773364727212} is an apocalyptic number.

It is an amenable number.

631773364727212 is a deficient number, since it is larger than the sum of its proper divisors (475628657625092).

631773364727212 is a wasteful number, since it uses less digits than its factorization.

631773364727212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556865 (or 1556863 counting only the distinct ones).

The product of its digits is 74680704, while the sum is 61.

The spelling of 631773364727212 in words is "six hundred thirty-one trillion, seven hundred seventy-three billion, three hundred sixty-four million, seven hundred twenty-seven thousand, two hundred twelve".