212210311123231 has 8 divisors (see below), whose sum is σ = 219059989635200. Its totient is φ = 205360894149120.

The previous prime is 212210311123211. The next prime is 212210311123241. The reversal of 212210311123231 is 132321113012212.

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

It is a cyclic number.

It is not a de Polignac number, because 212210311123231 - 2⁷ = 212210311123103 is a prime.

It is a super-2 number, since 2×212210311123231² (a number of 29 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 = 212210311123196 and 212210311123205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210311123211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63734826 + ... + 66981703.

It is an arithmetic number, because the mean of its divisors is an integer number (27382498704400).

Almost surely, 2^{212210311123231} is an apocalyptic number.

212210311123231 is a deficient number, since it is larger than the sum of its proper divisors (6849678511969).

212210311123231 is a wasteful number, since it uses less digits than its factorization.

212210311123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130768929.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 212210311123231 its reverse (132321113012212), we get a palindrome (344531424135443).

The spelling of 212210311123231 in words is "two hundred twelve trillion, two hundred ten billion, three hundred eleven million, one hundred twenty-three thousand, two hundred thirty-one".