212322132231 has 16 divisors (see below), whose sum is σ = 316364686848. Its totient is φ = 125541540800.

The previous prime is 212322132223. The next prime is 212322132241. The reversal of 212322132231 is 132231223212.

It is not a de Polignac number, because 212322132231 - 2³ = 212322132223 is a prime.

It is a super-2 number, since 2×212322132231² (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 (212322132241) 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, 78462111 + ... + 78464816.

It is an arithmetic number, because the mean of its divisors is an integer number (19772792928).

Almost surely, 2^212322132231 is an apocalyptic number.

212322132231 is a deficient number, since it is larger than the sum of its proper divisors (104042554617).

212322132231 is a wasteful number, since it uses less digits than its factorization.

212322132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156926982.

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

Adding to 212322132231 its reverse (132231223212), we get a palindrome (344553355443).

The spelling of 212322132231 in words is "two hundred twelve billion, three hundred twenty-two million, one hundred thirty-two thousand, two hundred thirty-one".