631112634012 has 96 divisors (see below), whose sum is σ = 1700120959488. Its totient is φ = 178482806784.

The previous prime is 631112634011. The next prime is 631112634059. The reversal of 631112634012 is 210436211136.

It is a super-2 number, since 2×631112634012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631112634011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10909548 + ... + 10967244.

It is an arithmetic number, because the mean of its divisors is an integer number (17709593328).

Almost surely, 2^631112634012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631112634012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850060479744).

631112634012 is an abundant number, since it is smaller than the sum of its proper divisors (1069008325476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631112634012 is a wasteful number, since it uses less digits than its factorization.

631112634012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59035 (or 59033 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 631112634012 its reverse (210436211136), we get a palindrome (841548845148).

The spelling of 631112634012 in words is "six hundred thirty-one billion, one hundred twelve million, six hundred thirty-four thousand, twelve".