10312124212 has 12 divisors (see below), whose sum is σ = 19434388036. Its totient is φ = 4759441920.

The previous prime is 10312124203. The next prime is 10312124219. The reversal of 10312124212 is 21242121301.

It can be written as a sum of positive squares in 2 ways, for example, as 4977866916 + 5334257296 = 70554^2 + 73036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10312124212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312124219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99154989 + ... + 99155092.

Almost surely, 2^10312124212 is an apocalyptic number.

It is an amenable number.

10312124212 is a deficient number, since it is larger than the sum of its proper divisors (9122263824).

10312124212 is a wasteful number, since it uses less digits than its factorization.

10312124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198310098 (or 198310096 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10312124212 its reverse (21242121301), we get a palindrome (31554245513).

The spelling of 10312124212 in words is "ten billion, three hundred twelve million, one hundred twenty-four thousand, two hundred twelve".