210200221212120 has 144 divisors (see below), whose sum is σ = 720998404644960. Its totient is φ = 53103213747072.

The previous prime is 210200221212067. The next prime is 210200221212133. The reversal of 210200221212120 is 21212122002012.

It is a happy number.

210200221212120 is a `hidden beast` number, since 2 + 10 + 200 + 221 + 21 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210200221212093 and 210200221212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 808581264 + ... + 808841183.

It is an arithmetic number, because the mean of its divisors is an integer number (5006933365590).

Almost surely, 2^{210200221212120} is an apocalyptic number.

210200221212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210200221212120 is an abundant number, since it is smaller than the sum of its proper divisors (510798183432840).

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

210200221212120 is a wasteful number, since it uses less digits than its factorization.

210200221212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617422502 (or 1617422476 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210200221212120 its reverse (21212122002012), we get a palindrome (231412343214132).

The spelling of 210200221212120 in words is "two hundred ten trillion, two hundred billion, two hundred twenty-one million, two hundred twelve thousand, one hundred twenty".