212011111012112 has 20 divisors (see below), whose sum is σ = 410828762241756. Its totient is φ = 105990785272320.

The previous prime is 212011111012091. The next prime is 212011111012121. The reversal of 212011111012112 is 211210111110212.

212011111012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 85950402651136 + 126060708360976 = 9270944^2 + 11227676^2 .

It is a super-2 number, since 2×212011111012112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923021189 + ... + 923250852.

Almost surely, 2^{212011111012112} is an apocalyptic number.

It is an amenable number.

212011111012112 is a deficient number, since it is larger than the sum of its proper divisors (198817651229644).

212011111012112 is a wasteful number, since it uses less digits than its factorization.

212011111012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846279226 (or 1846279220 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 212011111012112 its reverse (211210111110212), we get a palindrome (423221222122324).

The spelling of 212011111012112 in words is "two hundred twelve trillion, eleven billion, one hundred eleven million, twelve thousand, one hundred twelve".