212001210122212 has 24 divisors (see below), whose sum is σ = 428373579221504. Its totient is φ = 89920984557312.

The previous prime is 212001210122183. The next prime is 212001210122321. The reversal of 212001210122212 is 212221012100212.

It is a self number, because there is not a number n which added to its sum of digits gives 212001210122212.

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, 39028202388 + ... + 39028207819.

Almost surely, 2^{212001210122212} is an apocalyptic number.

It is an amenable number.

212001210122212 is an abundant number, since it is smaller than the sum of its proper divisors (216372369099292).

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

212001210122212 is a wasteful number, since it uses less digits than its factorization.

212001210122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78056410315 (or 78056410313 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212001210122212 its reverse (212221012100212), we get a palindrome (424222222222424).

The spelling of 212001210122212 in words is "two hundred twelve trillion, one billion, two hundred ten million, one hundred twenty-two thousand, two hundred twelve".