202122003120 has 40 divisors (see below), whose sum is σ = 626578210416. Its totient is φ = 53899200768.

The previous prime is 202122003119. The next prime is 202122003169. The reversal of 202122003120 is 21300221202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202122003120.

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, 421087267 + ... + 421087746.

Almost surely, 2^202122003120 is an apocalyptic number.

202122003120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122003120 is an abundant number, since it is smaller than the sum of its proper divisors (424456207296).

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

202122003120 is a wasteful number, since it uses less digits than its factorization.

202122003120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842175029 (or 842175023 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202122003120 its reverse (21300221202), we get a palindrome (223422224322).

The spelling of 202122003120 in words is "two hundred two billion, one hundred twenty-two million, three thousand, one hundred twenty".