210002112123320 has 32 divisors (see below), whose sum is σ = 515459729758320. Its totient is φ = 76364404408320.

The previous prime is 210002112123161. The next prime is 210002112123337. The reversal of 210002112123320 is 23321211200012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210002112123292 and 210002112123301.

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, 238638763337 + ... + 238638764216.

Almost surely, 2^{210002112123320} is an apocalyptic number.

210002112123320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002112123320 is an abundant number, since it is smaller than the sum of its proper divisors (305457617635000).

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

210002112123320 is a wasteful number, since it uses less digits than its factorization.

210002112123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477277527575 (or 477277527571 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 210002112123320 its reverse (23321211200012), we get a palindrome (233323323323332).

The spelling of 210002112123320 in words is "two hundred ten trillion, two billion, one hundred twelve million, one hundred twenty-three thousand, three hundred twenty".