212333231211 has 16 divisors (see below), whose sum is σ = 292898656800. Its totient is φ = 136662487808.

The previous prime is 212333231113. The next prime is 212333231213. The reversal of 212333231211 is 112132333212.

It is a cyclic number.

It is not a de Polignac number, because 212333231211 - 2²⁷ = 212199013483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212333231213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973645 + ... + 1171601.

It is an arithmetic number, because the mean of its divisors is an integer number (18306166050).

Almost surely, 2^212333231211 is an apocalyptic number.

212333231211 is a deficient number, since it is larger than the sum of its proper divisors (80565425589).

212333231211 is a wasteful number, since it uses less digits than its factorization.

212333231211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210318.

The product of its digits is 1296, while the sum is 24.

Adding to 212333231211 its reverse (112132333212), we get a palindrome (324465564423).

The spelling of 212333231211 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred thirty-one thousand, two hundred eleven".