212202242231 has 8 divisors (see below), whose sum is σ = 242608488960. Its totient is φ = 181818905688.

The previous prime is 212202242201. The next prime is 212202242257. The reversal of 212202242231 is 132242202212.

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

It is not a de Polignac number, because 212202242231 - 2⁶ = 212202242167 is a prime.

It is a super-2 number, since 2×212202242231² (a number of 23 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 = 212202242197 and 212202242206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202242201) 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, 5707691 + ... + 5744748.

It is an arithmetic number, because the mean of its divisors is an integer number (30326061120).

Almost surely, 2^212202242231 is an apocalyptic number.

212202242231 is a deficient number, since it is larger than the sum of its proper divisors (30406246729).

212202242231 is a wasteful number, since it uses less digits than its factorization.

212202242231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455093.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 212202242231 its reverse (132242202212), we get a palindrome (344444444443).

The spelling of 212202242231 in words is "two hundred twelve billion, two hundred two million, two hundred forty-two thousand, two hundred thirty-one".