631612612 has 12 divisors (see below), whose sum is σ = 1112104336. Its totient is φ = 313868520.

The previous prime is 631612603. The next prime is 631612621. The reversal of 631612612 is 216216136.

It is an interprime number because it is at equal distance from previous prime (631612603) and next prime (631612621).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483714 + ... + 485017.

Almost surely, 2^631612612 is an apocalyptic number.

It is an amenable number.

631612612 is a deficient number, since it is larger than the sum of its proper divisors (480491724).

631612612 is a wasteful number, since it uses less digits than its factorization.

631612612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968898 (or 968896 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 631612612 is about 25131.9042652959. The cubic root of 631612612 is about 857.9927098958.

Adding to 631612612 its reverse (216216136), we get a palindrome (847828748).

The spelling of 631612612 in words is "six hundred thirty-one million, six hundred twelve thousand, six hundred twelve".