202123112232 has 32 divisors (see below), whose sum is σ = 511704086400. Its totient is φ = 66521529984.

The previous prime is 202123112227. The next prime is 202123112237. The reversal of 202123112232 is 232211321202.

It is an interprime number because it is at equal distance from previous prime (202123112227) and next prime (202123112237).

It is a junction number, because it is equal to n+sod(n) for n = 202123112199 and 202123112208.

It is not an unprimeable number, because it can be changed into a prime (202123112237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53300613 + ... + 53304404.

It is an arithmetic number, because the mean of its divisors is an integer number (15990752700).

Almost surely, 2^202123112232 is an apocalyptic number.

It is an amenable number.

202123112232 is an abundant number, since it is smaller than the sum of its proper divisors (309580974168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202123112232 is a wasteful number, since it uses less digits than its factorization.

202123112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106605105 (or 106605101 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 202123112232 its reverse (232211321202), we get a palindrome (434334433434).

The spelling of 202123112232 in words is "two hundred two billion, one hundred twenty-three million, one hundred twelve thousand, two hundred thirty-two".