212234222987 has 8 divisors (see below), whose sum is σ = 212600373360. Its totient is φ = 211868148960.

The previous prime is 212234222927. The next prime is 212234222989. The reversal of 212234222987 is 789222432212.

212234222987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212234222987 - 2²⁰ = 212233174411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212234222989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9683213 + ... + 9705105.

It is an arithmetic number, because the mean of its divisors is an integer number (26575046670).

Almost surely, 2^212234222987 is an apocalyptic number.

212234222987 is a deficient number, since it is larger than the sum of its proper divisors (366150373).

212234222987 is a wasteful number, since it uses less digits than its factorization.

212234222987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38173.

The product of its digits is 387072, while the sum is 44.

The spelling of 212234222987 in words is "two hundred twelve billion, two hundred thirty-four million, two hundred twenty-two thousand, nine hundred eighty-seven".