30020104212 has 36 divisors (see below), whose sum is σ = 81483141600. Its totient is φ = 8577172464.

The previous prime is 30020104189. The next prime is 30020104223. The reversal of 30020104212 is 21240102003.

It is a junction number, because it is equal to n+sod(n) for n = 30020104191 and 30020104200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25526712 + ... + 25527887.

It is an arithmetic number, because the mean of its divisors is an integer number (2263420600).

Almost surely, 2^30020104212 is an apocalyptic number.

It is an amenable number.

30020104212 is an abundant number, since it is smaller than the sum of its proper divisors (51463037388).

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

30020104212 is a wasteful number, since it uses less digits than its factorization.

30020104212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51054620 (or 51054611 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 30020104212 its reverse (21240102003), we get a palindrome (51260206215).

The spelling of 30020104212 in words is "thirty billion, twenty million, one hundred four thousand, two hundred twelve".