20110130212 has 12 divisors (see below), whose sum is σ = 37262888460. Its totient is φ = 9463590656.

The previous prime is 20110130203. The next prime is 20110130267. The reversal of 20110130212 is 21203101102.

It can be written as a sum of positive squares in 2 ways, for example, as 18916151296 + 1193978916 = 137536^2 + 34554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110130192 and 20110130201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147868537 + ... + 147868672.

It is an arithmetic number, because the mean of its divisors is an integer number (3105240705).

Almost surely, 2^20110130212 is an apocalyptic number.

It is an amenable number.

20110130212 is a deficient number, since it is larger than the sum of its proper divisors (17152758248).

20110130212 is a wasteful number, since it uses less digits than its factorization.

20110130212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295737230 (or 295737228 counting only the distinct ones).

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

Adding to 20110130212 its reverse (21203101102), we get a palindrome (41313231314).

The spelling of 20110130212 in words is "twenty billion, one hundred ten million, one hundred thirty thousand, two hundred twelve".