210200000200120 has 64 divisors (see below), whose sum is σ = 540797724564480. Its totient is φ = 72030779719296.

The previous prime is 210200000200117. The next prime is 210200000200189. The reversal of 210200000200120 is 21002000002012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210200000200097 and 210200000200106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196297264 + ... + 197365183.

It is an arithmetic number, because the mean of its divisors is an integer number (8449964446320).

Almost surely, 2^{210200000200120} is an apocalyptic number.

210200000200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200000200120 is an abundant number, since it is smaller than the sum of its proper divisors (330597724364360).

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

210200000200120 is a wasteful number, since it uses less digits than its factorization.

210200000200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393664372 (or 393664368 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210200000200120 its reverse (21002000002012), we get a palindrome (231202000202132).

The spelling of 210200000200120 in words is "two hundred ten trillion, two hundred billion, two hundred thousand, one hundred twenty".