30030020012 has 48 divisors (see below), whose sum is σ = 56075120640. Its totient is φ = 14038804032.

The previous prime is 30030019991. The next prime is 30030020017. The reversal of 30030020012 is 21002003003.

It is a super-2 number, since 2×30030020012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30030019975 and 30030020002.

It is not an unprimeable number, because it can be changed into a prime (30030020017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3788189 + ... + 3796107.

It is an arithmetic number, because the mean of its divisors is an integer number (1168231680).

Almost surely, 2^30030020012 is an apocalyptic number.

It is an amenable number.

30030020012 is a deficient number, since it is larger than the sum of its proper divisors (26045100628).

30030020012 is a wasteful number, since it uses less digits than its factorization.

30030020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8870 (or 8868 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 30030020012 its reverse (21002003003), we get a palindrome (51032023015).

The spelling of 30030020012 in words is "thirty billion, thirty million, twenty thousand, twelve".