30100012 has 6 divisors (see below), whose sum is σ = 52675028. Its totient is φ = 15050004.

The previous prime is 30100003. The next prime is 30100019. The reversal of 30100012 is 21000103.

It is a junction number, because it is equal to n+sod(n) for n = 30099968 and 30100004.

It is not an unprimeable number, because it can be changed into a prime (30100019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3762498 + ... + 3762505.

Almost surely, 2^30100012 is an apocalyptic number.

It is an amenable number.

30100012 is a deficient number, since it is larger than the sum of its proper divisors (22575016).

30100012 is a wasteful number, since it uses less digits than its factorization.

30100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525007 (or 7525005 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30100012 is about 5486.3477833619. The cubic root of 30100012 is about 311.0681570894.

Adding to 30100012 its reverse (21000103), we get a palindrome (51100115).

Subtracting from 30100012 its reverse (21000103), we obtain a palindrome (9099909).

The spelling of 30100012 in words is "thirty million, one hundred thousand, twelve".