212322123231 has 32 divisors (see below), whose sum is σ = 292115496960. Its totient is φ = 137075975424.

The previous prime is 212322123187. The next prime is 212322123323. The reversal of 212322123231 is 132321223212.

It is not a de Polignac number, because 212322123231 - 2¹⁴ = 212322106847 is a prime.

It is a super-2 number, since 2×212322123231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322123331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21379075 + ... + 21389003.

It is an arithmetic number, because the mean of its divisors is an integer number (9128609280).

Almost surely, 2^212322123231 is an apocalyptic number.

212322123231 is a deficient number, since it is larger than the sum of its proper divisors (79793373729).

212322123231 is a wasteful number, since it uses less digits than its factorization.

212322123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10855.

The product of its digits is 1728, while the sum is 24.

Adding to 212322123231 its reverse (132321223212), we get a palindrome (344643346443).

The spelling of 212322123231 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred twenty-three thousand, two hundred thirty-one".