30112112133203 has 16 divisors (see below), whose sum is σ = 31462317250560. Its totient is φ = 28765325868576.

The previous prime is 30112112133193. The next prime is 30112112133251. The reversal of 30112112133203 is 30233121121103.

It is not a de Polignac number, because 30112112133203 - 2¹² = 30112112129107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30112112133283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681139526 + ... + 681183732.

It is an arithmetic number, because the mean of its divisors is an integer number (1966394828160).

Almost surely, 2^{30112112133203} is an apocalyptic number.

30112112133203 is a deficient number, since it is larger than the sum of its proper divisors (1350205117357).

30112112133203 is a wasteful number, since it uses less digits than its factorization.

30112112133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82186.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30112112133203 its reverse (30233121121103), we get a palindrome (60345233254306).

The spelling of 30112112133203 in words is "thirty trillion, one hundred twelve billion, one hundred twelve million, one hundred thirty-three thousand, two hundred three".