30012130212 has 12 divisors (see below), whose sum is σ = 70028303856. Its totient is φ = 10004043400.

The previous prime is 30012130199. The next prime is 30012130217. The reversal of 30012130212 is 21203121003.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 30012130191 and 30012130200.

It is not an unprimeable number, because it can be changed into a prime (30012130217) 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, 1250505414 + ... + 1250505437.

It is an arithmetic number, because the mean of its divisors is an integer number (5835691988).

Almost surely, 2^30012130212 is an apocalyptic number.

It is an amenable number.

30012130212 is an abundant number, since it is smaller than the sum of its proper divisors (40016173644).

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

30012130212 is a wasteful number, since it uses less digits than its factorization.

30012130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2501010858 (or 2501010856 counting only the distinct ones).

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

Adding to 30012130212 its reverse (21203121003), we get a palindrome (51215251215).

The spelling of 30012130212 in words is "thirty billion, twelve million, one hundred thirty thousand, two hundred twelve".