201200002102120 has 192 divisors, whose sum is σ = 527495581791360. Its totient is φ = 68866938201600.

The previous prime is 201200002102111. The next prime is 201200002102157. The reversal of 201200002102120 is 21201200002102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201200002102120.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5088369550 + ... + 5088409090.

It is an arithmetic number, because the mean of its divisors is an integer number (2747372821830).

Almost surely, 2^{201200002102120} is an apocalyptic number.

201200002102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201200002102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263747790895680).

201200002102120 is an abundant number, since it is smaller than the sum of its proper divisors (326295579689240).

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

201200002102120 is a wasteful number, since it uses less digits than its factorization.

201200002102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43864 (or 43853 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201200002102120 its reverse (21201200002102), we get a palindrome (222401202104222).

The spelling of 201200002102120 in words is "two hundred one trillion, two hundred billion, two million, one hundred two thousand, one hundred twenty".