210002012120 has 32 divisors (see below), whose sum is σ = 497373188400. Its totient is φ = 79579709568.

The previous prime is 210002012117. The next prime is 210002012131. The reversal of 210002012120 is 21210200012.

It is a happy number.

210002012120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138158459 + ... + 138159978.

Almost surely, 2^210002012120 is an apocalyptic number.

210002012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002012120 is an abundant number, since it is smaller than the sum of its proper divisors (287371176280).

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

210002012120 is a wasteful number, since it uses less digits than its factorization.

210002012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276318467 (or 276318463 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210002012120 its reverse (21210200012), we get a palindrome (231212212132).

The spelling of 210002012120 in words is "two hundred ten billion, two million, twelve thousand, one hundred twenty".