2012100331112 has 64 divisors (see below), whose sum is σ = 3928359556800. Its totient is φ = 965449474560.

The previous prime is 2012100331067. The next prime is 2012100331117. The reversal of 2012100331112 is 2111330012102.

It is a super-2 number, since 2×2012100331112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2012100331117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6072923 + ... + 6395669.

It is an arithmetic number, because the mean of its divisors is an integer number (61380618075).

Almost surely, 2^{2012100331112} is an apocalyptic number.

It is an amenable number.

2012100331112 is a deficient number, since it is larger than the sum of its proper divisors (1916259225688).

2012100331112 is a wasteful number, since it uses less digits than its factorization.

2012100331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323106 (or 323102 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2012100331112 its reverse (2111330012102), we get a palindrome (4123430343214).

The spelling of 2012100331112 in words is "two trillion, twelve billion, one hundred million, three hundred thirty-one thousand, one hundred twelve".