20003012003112 has 32 divisors (see below), whose sum is σ = 50074117975680. Its totient is φ = 6658792272000.

The previous prime is 20003012003027. The next prime is 20003012003123. The reversal of 20003012003112 is 21130021030002.

It is a junction number, because it is equal to n+sod(n) for n = 20003012003091 and 20003012003100.

It is an unprimeable number.

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, 554881333 + ... + 554917380.

It is an arithmetic number, because the mean of its divisors is an integer number (1564816186740).

Almost surely, 2^{20003012003112} is an apocalyptic number.

It is an amenable number.

20003012003112 is an abundant number, since it is smaller than the sum of its proper divisors (30071105972568).

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

20003012003112 is a wasteful number, since it uses less digits than its factorization.

20003012003112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109799473 (or 1109799469 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20003012003112 its reverse (21130021030002), we get a palindrome (41133033033114).

The spelling of 20003012003112 in words is "twenty trillion, three billion, twelve million, three thousand, one hundred twelve".