202022122112 has 64 divisors (see below), whose sum is σ = 416136450240. Its totient is φ = 97626101760.

The previous prime is 202022122103. The next prime is 202022122139. The reversal of 202022122112 is 211221220202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381653 + ... + 741419.

It is an arithmetic number, because the mean of its divisors is an integer number (6502132035).

Almost surely, 2^202022122112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202022122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208068225120).

202022122112 is an abundant number, since it is smaller than the sum of its proper divisors (214114328128).

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

202022122112 is a wasteful number, since it uses less digits than its factorization.

202022122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359929 (or 359917 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202022122112 its reverse (211221220202), we get a palindrome (413243342314).

The spelling of 202022122112 in words is "two hundred two billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".