202101200212120 has 128 divisors (see below), whose sum is σ = 504372921111360. Its totient is φ = 72270428405760.

The previous prime is 202101200212117. The next prime is 202101200212133. The reversal of 202101200212120 is 21212002101202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202101200212094 and 202101200212103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8379709 + ... + 21781228.

Almost surely, 2^{202101200212120} is an apocalyptic number.

202101200212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101200212120 is an abundant number, since it is smaller than the sum of its proper divisors (302271720899240).

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

202101200212120 is a wasteful number, since it uses less digits than its factorization.

202101200212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30161213 (or 30161209 counting only the distinct ones).

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

Adding to 202101200212120 its reverse (21212002101202), we get a palindrome (223313202313322).

The spelling of 202101200212120 in words is "two hundred two trillion, one hundred one billion, two hundred million, two hundred twelve thousand, one hundred twenty".