210002002000120 has 64 divisors (see below), whose sum is σ = 515467882931040. Its totient is φ = 76363116441600.

The previous prime is 210002002000097. The next prime is 210002002000121. The reversal of 210002002000120 is 21000200200012.

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 = 210002002000097 and 210002002000106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002002000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23270724 + ... + 31008556.

Almost surely, 2^{210002002000120} is an apocalyptic number.

210002002000120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002002000120 is an abundant number, since it is smaller than the sum of its proper divisors (305465880930920).

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

210002002000120 is a wasteful number, since it uses less digits than its factorization.

210002002000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799536 (or 7799532 counting only the distinct ones).

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

210002002000120 divided by its sum of digits (10) gives a palindrome (21000200200012).

Adding to 210002002000120 its reverse (21000200200012), we get a palindrome (231002202200132).

The spelling of 210002002000120 in words is "two hundred ten trillion, two billion, two million, one hundred twenty", and thus it is an aban number.