2011012100012 has 12 divisors (see below), whose sum is σ = 3640625353680. Its totient is φ = 970833427536.

The previous prime is 2011012100011. The next prime is 2011012100059. The reversal of 2011012100012 is 2100012101102.

It is a junction number, because it is equal to n+sod(n) for n = 2011012099966 and 2011012100002.

It is not an unprimeable number, because it can be changed into a prime (2011012100011) 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 3 ways as a sum of consecutive naturals, for example, 8668155488 + ... + 8668155719.

It is an arithmetic number, because the mean of its divisors is an integer number (303385446140).

Almost surely, 2^{2011012100012} is an apocalyptic number.

It is an amenable number.

2011012100012 is a deficient number, since it is larger than the sum of its proper divisors (1629613253668).

2011012100012 is a wasteful number, since it uses less digits than its factorization.

2011012100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336311240 (or 17336311238 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2011012100012 its reverse (2100012101102), we get a palindrome (4111024201114).

The spelling of 2011012100012 in words is "two trillion, eleven billion, twelve million, one hundred thousand, twelve".