211210122001012 has 6 divisors (see below), whose sum is σ = 369617713501778. Its totient is φ = 105605061000504.

The previous prime is 211210122001009. The next prime is 211210122001079. The reversal of 211210122001012 is 210100221012112.

It can be written as a sum of positive squares in only one way, i.e., 210279117008016 + 931004992996 = 14501004^2 + 964886^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 26401265250123 + ... + 26401265250130.

Almost surely, 2^{211210122001012} is an apocalyptic number.

It is an amenable number.

211210122001012 is a deficient number, since it is larger than the sum of its proper divisors (158407591500766).

211210122001012 is a wasteful number, since it uses less digits than its factorization.

211210122001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52802530500257 (or 52802530500255 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211210122001012 its reverse (210100221012112), we get a palindrome (421310343013124).

The spelling of 211210122001012 in words is "two hundred eleven trillion, two hundred ten billion, one hundred twenty-two million, one thousand, twelve".