212300223231 has 4 divisors (see below), whose sum is σ = 283066964312. Its totient is φ = 141533482152.

The previous prime is 212300223229. The next prime is 212300223251. The reversal of 212300223231 is 132322003212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 212300223231 - 2¹ = 212300223229 is a prime.

It is a super-2 number, since 2×212300223231² (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 = 212300223198 and 212300223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212300223211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35383370536 + ... + 35383370541.

It is an arithmetic number, because the mean of its divisors is an integer number (70766741078).

Almost surely, 2^212300223231 is an apocalyptic number.

212300223231 is a deficient number, since it is larger than the sum of its proper divisors (70766741081).

212300223231 is an equidigital number, since it uses as much as digits as its factorization.

212300223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70766741080.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212300223231 its reverse (132322003212), we get a palindrome (344622226443).

The spelling of 212300223231 in words is "two hundred twelve billion, three hundred million, two hundred twenty-three thousand, two hundred thirty-one".