210200021121012 has 48 divisors (see below), whose sum is σ = 531435384594240. Its totient is φ = 64280138588928.

The previous prime is 210200021120993. The next prime is 210200021121043. The reversal of 210200021121012 is 210121120002012.

It is a junction number, because it is equal to n+sod(n) for n = 210200021120982 and 210200021121000.

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, 4133213937 + ... + 4133264792.

It is an arithmetic number, because the mean of its divisors is an integer number (11071570512380).

Almost surely, 2^{210200021121012} is an apocalyptic number.

It is an amenable number.

210200021121012 is an abundant number, since it is smaller than the sum of its proper divisors (321235363473228).

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

210200021121012 is a wasteful number, since it uses less digits than its factorization.

210200021121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266478912 (or 8266478910 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210200021121012 its reverse (210121120002012), we get a palindrome (420321141123024).

The spelling of 210200021121012 in words is "two hundred ten trillion, two hundred billion, twenty-one million, one hundred twenty-one thousand, twelve".