10120212211112 has 8 divisors (see below), whose sum is σ = 18975397895850. Its totient is φ = 5060106105552.

The previous prime is 10120212211111. The next prime is 10120212211159. The reversal of 10120212211112 is 21111221202101.

It can be written as a sum of positive squares in only one way, i.e., 8167558115236 + 1952654095876 = 2857894^2 + 1397374^2 .

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 (10120212211111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632513263187 + ... + 632513263202.

Almost surely, 2^{10120212211112} is an apocalyptic number.

It is an amenable number.

10120212211112 is a deficient number, since it is larger than the sum of its proper divisors (8855185684738).

10120212211112 is a wasteful number, since it uses less digits than its factorization.

10120212211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265026526395 (or 1265026526391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10120212211112 its reverse (21111221202101), we get a palindrome (31231433413213).

The spelling of 10120212211112 in words is "ten trillion, one hundred twenty billion, two hundred twelve million, two hundred eleven thousand, one hundred twelve".