10021130212 has 12 divisors (see below), whose sum is σ = 17537707180. Its totient is φ = 5010356736.

The previous prime is 10021130201. The next prime is 10021130213. The reversal of 10021130212 is 21203112001.

It can be written as a sum of positive squares in 2 ways, for example, as 8175053056 + 1846077156 = 90416^2 + 42966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021130192 and 10021130201.

It is not an unprimeable number, because it can be changed into a prime (10021130213) 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, 117364 + ... + 183892.

Almost surely, 2^10021130212 is an apocalyptic number.

It is an amenable number.

10021130212 is a deficient number, since it is larger than the sum of its proper divisors (7516576968).

10021130212 is a wasteful number, since it uses less digits than its factorization.

10021130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104190 (or 104188 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10021130212 its reverse (21203112001), we get a palindrome (31224242213).

The spelling of 10021130212 in words is "ten billion, twenty-one million, one hundred thirty thousand, two hundred twelve".