212012102212112 has 40 divisors (see below), whose sum is σ = 410862578350080. Its totient is φ = 105983052215040.

The previous prime is 212012102212051. The next prime is 212012102212153. The reversal of 212012102212112 is 211212201210212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577885189 + ... + 1578019547.

It is an arithmetic number, because the mean of its divisors is an integer number (10271564458752).

Almost surely, 2^{212012102212112} is an apocalyptic number.

It is an amenable number.

212012102212112 is a deficient number, since it is larger than the sum of its proper divisors (198850476137968).

212012102212112 is a wasteful number, since it uses less digits than its factorization.

212012102212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155031 (or 155025 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212012102212112 its reverse (211212201210212), we get a palindrome (423224303422324).

The spelling of 212012102212112 in words is "two hundred twelve trillion, twelve billion, one hundred two million, two hundred twelve thousand, one hundred twelve".