211311032013212 has 48 divisors (see below), whose sum is σ = 385763515318272. Its totient is φ = 101166756157440.

The previous prime is 211311032013187. The next prime is 211311032013251. The reversal of 211311032013212 is 212310230113112.

It is a happy number.

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 in 15 ways as a sum of consecutive naturals, for example, 7551413 + ... + 21900819.

It is an arithmetic number, because the mean of its divisors is an integer number (8036739902464).

Almost surely, 2^{211311032013212} is an apocalyptic number.

It is an amenable number.

211311032013212 is a deficient number, since it is larger than the sum of its proper divisors (174452483305060).

211311032013212 is a wasteful number, since it uses less digits than its factorization.

211311032013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350698 (or 14350696 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 211311032013212 its reverse (212310230113112), we get a palindrome (423621262126324).

The spelling of 211311032013212 in words is "two hundred eleven trillion, three hundred eleven billion, thirty-two million, thirteen thousand, two hundred twelve".