2012101311112 has 8 divisors (see below), whose sum is σ = 3772689958350. Its totient is φ = 1006050655552.

The previous prime is 2012101311091. The next prime is 2012101311113. The reversal of 2012101311112 is 2111131012102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1669227824196 + 342873486916 = 1291986^2 + 585554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2012101311113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125756331937 + ... + 125756331952.

Almost surely, 2^{2012101311112} is an apocalyptic number.

It is an amenable number.

2012101311112 is a deficient number, since it is larger than the sum of its proper divisors (1760588647238).

2012101311112 is a wasteful number, since it uses less digits than its factorization.

2012101311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251512663895 (or 251512663891 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2012101311112 its reverse (2111131012102), we get a palindrome (4123232323214).

The spelling of 2012101311112 in words is "two trillion, twelve billion, one hundred one million, three hundred eleven thousand, one hundred twelve".