20120112120203 has 8 divisors (see below), whose sum is σ = 20141769732720. Its totient is φ = 20098455095520.

The previous prime is 20120112120197. The next prime is 20120112120259. The reversal of 20120112120203 is 30202121102102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20120112120203 - 2³⁶ = 20051392643467 is a prime.

It is a super-2 number, since 2×20120112120203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20120112120263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129504653 + ... + 129659921.

It is an arithmetic number, because the mean of its divisors is an integer number (2517721216590).

Almost surely, 2^{20120112120203} is an apocalyptic number.

20120112120203 is a deficient number, since it is larger than the sum of its proper divisors (21657612517).

20120112120203 is a wasteful number, since it uses less digits than its factorization.

20120112120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293917.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20120112120203 its reverse (30202121102102), we get a palindrome (50322233222305).

The spelling of 20120112120203 in words is "twenty trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty thousand, two hundred three".