212233113231 has 8 divisors (see below), whose sum is σ = 285137618304. Its totient is φ = 140408675160.

The previous prime is 212233113221. The next prime is 212233113241. The reversal of 212233113231 is 132311332212.

It is an interprime number because it is at equal distance from previous prime (212233113221) and next prime (212233113241).

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

It is not a de Polignac number, because 212233113231 - 2³⁵ = 177873374863 is a prime.

It is a super-2 number, since 2×212233113231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212233113221) 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, 270016291 + ... + 270017076.

It is an arithmetic number, because the mean of its divisors is an integer number (35642202288).

Almost surely, 2^212233113231 is an apocalyptic number.

212233113231 is a deficient number, since it is larger than the sum of its proper divisors (72904505073).

212233113231 is a wasteful number, since it uses less digits than its factorization.

212233113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540033501.

The product of its digits is 1296, while the sum is 24.

Adding to 212233113231 its reverse (132311332212), we get a palindrome (344544445443).

The spelling of 212233113231 in words is "two hundred twelve billion, two hundred thirty-three million, one hundred thirteen thousand, two hundred thirty-one".