3631220303212 has 48 divisors (see below), whose sum is σ = 6634049490880. Its totient is φ = 1737402566400.

The previous prime is 3631220303173. The next prime is 3631220303213. The reversal of 3631220303212 is 2123030221363.

It is not an unprimeable number, because it can be changed into a prime (3631220303213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145708489 + ... + 145733407.

Almost surely, 2^{3631220303212} is an apocalyptic number.

It is an amenable number.

3631220303212 is a deficient number, since it is larger than the sum of its proper divisors (3002829187668).

3631220303212 is a wasteful number, since it uses less digits than its factorization.

3631220303212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41162 (or 41160 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 3631220303212 its reverse (2123030221363), we get a palindrome (5754250524575).

The spelling of 3631220303212 in words is "three trillion, six hundred thirty-one billion, two hundred twenty million, three hundred three thousand, two hundred twelve".