212212342021231 has 8 divisors (see below), whose sum is σ = 212790079464560. Its totient is φ = 211634891802432.

The previous prime is 212212342021219. The next prime is 212212342021297. The reversal of 212212342021231 is 132120243212212.

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 212212342021231 - 2¹⁵ = 212212341988463 is a prime.

It is a super-2 number, since 2×212212342021231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212212342021231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212342021331) 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, 70326405 + ... + 73281838.

It is an arithmetic number, because the mean of its divisors is an integer number (26598759933070).

Almost surely, 2^{212212342021231} is an apocalyptic number.

212212342021231 is a deficient number, since it is larger than the sum of its proper divisors (577737443329).

212212342021231 is a wasteful number, since it uses less digits than its factorization.

212212342021231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143612265.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 212212342021231 its reverse (132120243212212), we get a palindrome (344332585233443).

The spelling of 212212342021231 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred forty-two million, twenty-one thousand, two hundred thirty-one".