30020320012 has 6 divisors (see below), whose sum is σ = 52535560028. Its totient is φ = 15010160004.

The previous prime is 30020320003. The next prime is 30020320027. The reversal of 30020320012 is 21002302003.

It is a happy number.

It is a super-2 number, since 2×30020320012² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30020319974 and 30020320001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3752539998 + ... + 3752540005.

Almost surely, 2^30020320012 is an apocalyptic number.

It is an amenable number.

30020320012 is a deficient number, since it is larger than the sum of its proper divisors (22515240016).

30020320012 is a wasteful number, since it uses less digits than its factorization.

30020320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505080007 (or 7505080005 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30020320012 its reverse (21002302003), we get a palindrome (51022622015).

The spelling of 30020320012 in words is "thirty billion, twenty million, three hundred twenty thousand, twelve".