30112220312 has 16 divisors (see below), whose sum is σ = 56462254800. Its totient is φ = 15055619040.

The previous prime is 30112220297. The next prime is 30112220329. The reversal of 30112220312 is 21302221103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441989 + ... + 505547.

It is an arithmetic number, because the mean of its divisors is an integer number (3528890925).

Almost surely, 2^30112220312 is an apocalyptic number.

It is an amenable number.

30112220312 is a deficient number, since it is larger than the sum of its proper divisors (26350034488).

30112220312 is a wasteful number, since it uses less digits than its factorization.

30112220312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122786 (or 122782 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30112220312 its reverse (21302221103), we get a palindrome (51414441415).

The spelling of 30112220312 in words is "thirty billion, one hundred twelve million, two hundred twenty thousand, three hundred twelve".