4212130312 has 24 divisors (see below), whose sum is σ = 8551998090. Its totient is φ = 1944059520.

The previous prime is 4212130289. The next prime is 4212130381. The reversal of 4212130312 is 2130312124.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3574365796 + 637764516 = 59786^2 + 25254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4212130312.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1556389 + ... + 1559092.

Almost surely, 2^4212130312 is an apocalyptic number.

It is an amenable number.

4212130312 is an abundant number, since it is smaller than the sum of its proper divisors (4339867778).

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

4212130312 is a wasteful number, since it uses less digits than its factorization.

4212130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115513 (or 3115496 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4212130312 is about 64900.9268963087. The cubic root of 4212130312 is about 1614.9804381838.

Adding to 4212130312 its reverse (2130312124), we get a palindrome (6342442436).

The spelling of 4212130312 in words is "four billion, two hundred twelve million, one hundred thirty thousand, three hundred twelve".