211210211122012 has 12 divisors (see below), whose sum is σ = 374296576672480. Its totient is φ = 104268332072736.

The previous prime is 211210211121911. The next prime is 211210211122013. The reversal of 211210211122012 is 210221112012112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210211122013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334193371713 + ... + 334193372344.

Almost surely, 2^{211210211122012} is an apocalyptic number.

It is an amenable number.

211210211122012 is a deficient number, since it is larger than the sum of its proper divisors (163086365550468).

211210211122012 is a wasteful number, since it uses less digits than its factorization.

211210211122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668386744140 (or 668386744138 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211210211122012 its reverse (210221112012112), we get a palindrome (421431323134124).

The spelling of 211210211122012 in words is "two hundred eleven trillion, two hundred ten billion, two hundred eleven million, one hundred twenty-two thousand, twelve".