212012220210212 has 12 divisors (see below), whose sum is σ = 378021788865756. Its totient is φ = 104005994820000.

The previous prime is 212012220210127. The next prime is 212012220210233. The reversal of 212012220210212 is 212012022210212.

It can be written as a sum of positive squares in 2 ways, for example, as 72013961098816 + 139998259111396 = 8486104^2 + 11832086^2 .

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, 500028821039 + ... + 500028821462.

It is an arithmetic number, because the mean of its divisors is an integer number (31501815738813).

Almost surely, 2^{212012220210212} is an apocalyptic number.

It is an amenable number.

212012220210212 is a deficient number, since it is larger than the sum of its proper divisors (166009568655544).

212012220210212 is a wasteful number, since it uses less digits than its factorization.

212012220210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000057642558 (or 1000057642556 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212012220210212 its reverse (212012022210212), we get a palindrome (424024242420424).

The spelling of 212012220210212 in words is "two hundred twelve trillion, twelve billion, two hundred twenty million, two hundred ten thousand, two hundred twelve".