211231322132 has 24 divisors (see below), whose sum is σ = 376655723136. Its totient is φ = 103615679648.

The previous prime is 211231322123. The next prime is 211231322143. The reversal of 211231322132 is 231223132112.

It is a junction number, because it is equal to n+sod(n) for n = 211231322098 and 211231322107.

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, 4254113 + ... + 4303479.

It is an arithmetic number, because the mean of its divisors is an integer number (15693988464).

Almost surely, 2^211231322132 is an apocalyptic number.

It is an amenable number.

211231322132 is a deficient number, since it is larger than the sum of its proper divisors (165424401004).

211231322132 is a wasteful number, since it uses less digits than its factorization.

211231322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69607 (or 69605 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

Adding to 211231322132 its reverse (231223132112), we get a palindrome (442454454244).

The spelling of 211231322132 in words is "two hundred eleven billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred thirty-two".