1012200211112 has 8 divisors (see below), whose sum is σ = 1897875395850. Its totient is φ = 506100105552.

The previous prime is 1012200211111. The next prime is 1012200211177. The reversal of 1012200211112 is 2111120022101.

It can be written as a sum of positive squares in only one way, i.e., 984052096036 + 28148115076 = 991994^2 + 167774^2 .

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 (1012200211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63262513187 + ... + 63262513202.

Almost surely, 2^{1012200211112} is an apocalyptic number.

It is an amenable number.

1012200211112 is a deficient number, since it is larger than the sum of its proper divisors (885675184738).

1012200211112 is a wasteful number, since it uses less digits than its factorization.

1012200211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126525026395 (or 126525026391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012200211112 its reverse (2111120022101), we get a palindrome (3123320233213).

The spelling of 1012200211112 in words is "one trillion, twelve billion, two hundred million, two hundred eleven thousand, one hundred twelve".