3630109212 has 72 divisors (see below), whose sum is σ = 9769857552. Its totient is φ = 1132531200.

The previous prime is 3630109211. The next prime is 3630109213. The reversal of 3630109212 is 2129010363.

3630109212 is a `hidden beast` number, since 3 + 630 + 1 + 0 + 9 + 21 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3630109211) and next prime (3630109213).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630109211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94387 + ... + 127157.

It is an arithmetic number, because the mean of its divisors is an integer number (135692466).

Almost surely, 2^3630109212 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 3630109212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4884928776).

3630109212 is an abundant number, since it is smaller than the sum of its proper divisors (6139748340).

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

3630109212 is a wasteful number, since it uses less digits than its factorization.

3630109212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32979 (or 32974 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3630109212 is about 60250.3876502052. The cubic root of 3630109212 is about 1536.8797806157.

Adding to 3630109212 its reverse (2129010363), we get a palindrome (5759119575).

The spelling of 3630109212 in words is "three billion, six hundred thirty million, one hundred nine thousand, two hundred twelve".