212231030251 has 8 divisors (see below), whose sum is σ = 215155908720. Its totient is φ = 209306627712.

The previous prime is 212231030183. The next prime is 212231030279. The reversal of 212231030251 is 152030132212.

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 212231030251 - 2¹⁵ = 212230997483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212234030251) 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, 830895 + ... + 1055863.

It is an arithmetic number, because the mean of its divisors is an integer number (26894488590).

Almost surely, 2^212231030251 is an apocalyptic number.

212231030251 is a deficient number, since it is larger than the sum of its proper divisors (2924878469).

212231030251 is a wasteful number, since it uses less digits than its factorization.

212231030251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237965.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 212231030251 its reverse (152030132212), we get a palindrome (364261162463).

The spelling of 212231030251 in words is "two hundred twelve billion, two hundred thirty-one million, thirty thousand, two hundred fifty-one".