211210612212 has 24 divisors (see below), whose sum is σ = 492967252512. Its totient is φ = 70383181600.

The previous prime is 211210612189. The next prime is 211210612241. The reversal of 211210612212 is 212216012112.

It is a congruent number.

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, 2501214 + ... + 2584277.

It is an arithmetic number, because the mean of its divisors is an integer number (20540302188).

Almost surely, 2^211210612212 is an apocalyptic number.

It is an amenable number.

211210612212 is an abundant number, since it is smaller than the sum of its proper divisors (281756640300).

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

211210612212 is a wasteful number, since it uses less digits than its factorization.

211210612212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088959 (or 5088957 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211210612212 its reverse (212216012112), we get a palindrome (423426624324).

The spelling of 211210612212 in words is "two hundred eleven billion, two hundred ten million, six hundred twelve thousand, two hundred twelve".