30123002212 has 12 divisors (see below), whose sum is σ = 52723666800. Its totient is φ = 15059097416.

The previous prime is 30123002201. The next prime is 30123002213. The reversal of 30123002212 is 21220032103.

It is not an unprimeable number, because it can be changed into a prime (30123002213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572578 + ... + 622969.

It is an arithmetic number, because the mean of its divisors is an integer number (4393638900).

Almost surely, 2^30123002212 is an apocalyptic number.

It is an amenable number.

30123002212 is a deficient number, since it is larger than the sum of its proper divisors (22600664588).

30123002212 is a wasteful number, since it uses less digits than its factorization.

30123002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201850 (or 1201848 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30123002212 its reverse (21220032103), we get a palindrome (51343034315).

The spelling of 30123002212 in words is "thirty billion, one hundred twenty-three million, two thousand, two hundred twelve".