212333023231 has 8 divisors (see below), whose sum is σ = 246084148224. Its totient is φ = 179436357240.

The previous prime is 212333023219. The next prime is 212333023247. The reversal of 212333023231 is 132320333212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212333023231 - 2⁷ = 212333023103 is a prime.

It is a super-2 number, since 2×212333023231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212333023196 and 212333023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333023631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213614215 + ... + 213615208.

It is an arithmetic number, because the mean of its divisors is an integer number (30760518528).

Almost surely, 2^212333023231 is an apocalyptic number.

212333023231 is a deficient number, since it is larger than the sum of its proper divisors (33751124993).

212333023231 is an equidigital number, since it uses as much as digits as its factorization.

212333023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427229501.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212333023231 its reverse (132320333212), we get a palindrome (344653356443).

The spelling of 212333023231 in words is "two hundred twelve billion, three hundred thirty-three million, twenty-three thousand, two hundred thirty-one".