212012022212112 has 80 divisors (see below), whose sum is σ = 576531033937920. Its totient is φ = 66950338780800.

The previous prime is 212012022212101. The next prime is 212012022212143. The reversal of 212012022212112 is 211212220210212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74733037 + ... + 77518067.

It is an arithmetic number, because the mean of its divisors is an integer number (7206637924224).

Almost surely, 2^{212012022212112} is an apocalyptic number.

It is an amenable number.

212012022212112 is an abundant number, since it is smaller than the sum of its proper divisors (364519011725808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212012022212112 is a wasteful number, since it uses less digits than its factorization.

212012022212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868532 (or 2868526 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212012022212112 its reverse (211212220210212), we get a palindrome (423224242422324).

The spelling of 212012022212112 in words is "two hundred twelve trillion, twelve billion, twenty-two million, two hundred twelve thousand, one hundred twelve".