212110101212 has 24 divisors (see below), whose sum is σ = 375500431152. Its totient is φ = 104827808000.

The previous prime is 212110101211. The next prime is 212110101227. The reversal of 212110101212 is 212101011212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110101211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203114 + ... + 682257.

It is an arithmetic number, because the mean of its divisors is an integer number (15645851298).

Almost surely, 2^212110101212 is an apocalyptic number.

It is an amenable number.

212110101212 is a deficient number, since it is larger than the sum of its proper divisors (163390329940).

212110101212 is a wasteful number, since it uses less digits than its factorization.

212110101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886069 (or 886067 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212110101212 its reverse (212101011212), we get a palindrome (424211112424).

The spelling of 212110101212 in words is "two hundred twelve billion, one hundred ten million, one hundred one thousand, two hundred twelve".