212030222231 has 8 divisors (see below), whose sum is σ = 214891586928. Its totient is φ = 209183800000.

The previous prime is 212030222213. The next prime is 212030222251. The reversal of 212030222231 is 132222030212.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212030222231 is a prime.

It is a super-2 number, since 2×212030222231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030222251) 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, 3707045 + ... + 3763806.

It is an arithmetic number, because the mean of its divisors is an integer number (26861448366).

Almost surely, 2^212030222231 is an apocalyptic number.

212030222231 is a deficient number, since it is larger than the sum of its proper divisors (2861364697).

212030222231 is a wasteful number, since it uses less digits than its factorization.

212030222231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471233.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212030222231 its reverse (132222030212), we get a palindrome (344252252443).

The spelling of 212030222231 in words is "two hundred twelve billion, thirty million, two hundred twenty-two thousand, two hundred thirty-one".