20130130212 has 24 divisors (see below), whose sum is σ = 47232712800. Its totient is φ = 6672556416.

The previous prime is 20130130211. The next prime is 20130130213. The reversal of 20130130212 is 21203103102.

It is an interprime number because it is at equal distance from previous prime (20130130211) and next prime (20130130213).

It is a junction number, because it is equal to n+sod(n) for n = 20130130191 and 20130130200.

It is not an unprimeable number, because it can be changed into a prime (20130130211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683637 + ... + 4687932.

It is an arithmetic number, because the mean of its divisors is an integer number (1968029700).

Almost surely, 2^20130130212 is an apocalyptic number.

It is an amenable number.

20130130212 is an abundant number, since it is smaller than the sum of its proper divisors (27102582588).

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

20130130212 is a wasteful number, since it uses less digits than its factorization.

20130130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371755 (or 9371753 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20130130212 its reverse (21203103102), we get a palindrome (41333233314).

The spelling of 20130130212 in words is "twenty billion, one hundred thirty million, one hundred thirty thousand, two hundred twelve".