3156632521212 has 96 divisors (see below), whose sum is σ = 7827704801280. Its totient is φ = 987248502720.

The previous prime is 3156632521199. The next prime is 3156632521247. The reversal of 3156632521212 is 2121252366513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102716193 + ... + 102746919.

It is an arithmetic number, because the mean of its divisors is an integer number (81538591680).

Almost surely, 2^{3156632521212} 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 3156632521212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3913852400640).

3156632521212 is an abundant number, since it is smaller than the sum of its proper divisors (4671072280068).

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

3156632521212 is a wasteful number, since it uses less digits than its factorization.

3156632521212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35071 (or 35069 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

Adding to 3156632521212 its reverse (2121252366513), we get a palindrome (5277884887725).

The spelling of 3156632521212 in words is "three trillion, one hundred fifty-six billion, six hundred thirty-two million, five hundred twenty-one thousand, two hundred twelve".