30013120212 has 24 divisors (see below), whose sum is σ = 70435419936. Its totient is φ = 9946543968.

The previous prime is 30013120183. The next prime is 30013120223. The reversal of 30013120212 is 21202131003.

It is a junction number, because it is equal to n+sod(n) for n = 30013120191 and 30013120200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226518 + ... + 7230669.

It is an arithmetic number, because the mean of its divisors is an integer number (2934809164).

Almost surely, 2^30013120212 is an apocalyptic number.

It is an amenable number.

30013120212 is an abundant number, since it is smaller than the sum of its proper divisors (40422299724).

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

30013120212 is a wasteful number, since it uses less digits than its factorization.

30013120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14457367 (or 14457365 counting only the distinct ones).

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

Adding to 30013120212 its reverse (21202131003), we get a palindrome (51215251215).

It can be divided in two parts, 3001 and 3120212, that added together give a palindrome (3123213).

The spelling of 30013120212 in words is "thirty billion, thirteen million, one hundred twenty thousand, two hundred twelve".