30112120023320 has 64 divisors (see below), whose sum is σ = 72295140492000. Its totient is φ = 11254594802688.

The previous prime is 30112120023313. The next prime is 30112120023343. The reversal of 30112120023320 is 2332002121103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30112120023292 and 30112120023301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271322675 + ... + 271433634.

Almost surely, 2^{30112120023320} is an apocalyptic number.

It is an amenable number.

30112120023320 is an abundant number, since it is smaller than the sum of its proper divisors (42183020468680).

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

30112120023320 is a wasteful number, since it uses less digits than its factorization.

30112120023320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542756412 (or 542756408 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30112120023320 its reverse (2332002121103), we get a palindrome (32444122144423).

The spelling of 30112120023320 in words is "thirty trillion, one hundred twelve billion, one hundred twenty million, twenty-three thousand, three hundred twenty".