202123232212 has 96 divisors (see below), whose sum is σ = 418427856000. Its totient is φ = 84528998400.

The previous prime is 202123232209. The next prime is 202123232293. The reversal of 202123232212 is 212232321202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2204664 + ... + 2294512.

It is an arithmetic number, because the mean of its divisors is an integer number (4358623500).

Almost surely, 2^202123232212 is an apocalyptic number.

202123232212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202123232212 is an abundant number, since it is smaller than the sum of its proper divisors (216304623788).

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

202123232212 is a wasteful number, since it uses less digits than its factorization.

202123232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89977 (or 89975 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202123232212 its reverse (212232321202), we get a palindrome (414355553414).

The spelling of 202123232212 in words is "two hundred two billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred twelve".