202001012120122 has 8 divisors (see below), whose sum is σ = 303517704754656. Its totient is φ = 100828443868572.

The previous prime is 202001012120113. The next prime is 202001012120129. The reversal of 202001012120122 is 221021210100202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 202001012120096 and 202001012120105.

It is not an unprimeable number, because it can be changed into a prime (202001012120129) 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 3 ways as a sum of consecutive naturals, for example, 86031094278 + ... + 86031096625.

It is an arithmetic number, because the mean of its divisors is an integer number (37939713094332).

Almost surely, 2^{202001012120122} is an apocalyptic number.

202001012120122 is a deficient number, since it is larger than the sum of its proper divisors (101516692634534).

202001012120122 is a wasteful number, since it uses less digits than its factorization.

202001012120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172062191492.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202001012120122 its reverse (221021210100202), we get a palindrome (423022222220324).

The spelling of 202001012120122 in words is "two hundred two trillion, one billion, twelve million, one hundred twenty thousand, one hundred twenty-two".