3130221212 has 6 divisors (see below), whose sum is σ = 5477887128. Its totient is φ = 1565110604.

The previous prime is 3130221119. The next prime is 3130221229. The reversal of 3130221212 is 2121220313.

3130221212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391277648 + ... + 391277655.

It is an arithmetic number, because the mean of its divisors is an integer number (912981188).

Almost surely, 2^3130221212 is an apocalyptic number.

It is an amenable number.

3130221212 is a deficient number, since it is larger than the sum of its proper divisors (2347665916).

3130221212 is a wasteful number, since it uses less digits than its factorization.

3130221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782555307 (or 782555305 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3130221212 is about 55948.3798871781. The cubic root of 3130221212 is about 1462.8226516021.

Adding to 3130221212 its reverse (2121220313), we get a palindrome (5251441525).

The spelling of 3130221212 in words is "three billion, one hundred thirty million, two hundred twenty-one thousand, two hundred twelve".