4931821212 has 24 divisors (see below), whose sum is σ = 11513818512. Its totient is φ = 1643049600.

The previous prime is 4931821163. The next prime is 4931821247. The reversal of 4931821212 is 2121281394.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88089 + ... + 132752.

It is an arithmetic number, because the mean of its divisors is an integer number (479742438).

Almost surely, 2^4931821212 is an apocalyptic number.

It is an amenable number.

4931821212 is an abundant number, since it is smaller than the sum of its proper divisors (6581997300).

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

4931821212 is a wasteful number, since it uses less digits than its factorization.

4931821212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222709 (or 222707 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 4931821212 is about 70226.9265453074. The cubic root of 4931821212 is about 1702.1680771580.

The spelling of 4931821212 in words is "four billion, nine hundred thirty-one million, eight hundred twenty-one thousand, two hundred twelve".