100200221021212 has 48 divisors (see below), whose sum is σ = 196125484907520. Its totient is φ = 44495135393472.

The previous prime is 100200221021203. The next prime is 100200221021261. The reversal of 100200221021212 is 212120122002001.

It is a happy number.

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, 347300328 + ... + 347588719.

It is an arithmetic number, because the mean of its divisors is an integer number (4085947602240).

Almost surely, 2^{100200221021212} is an apocalyptic number.

It is an amenable number.

100200221021212 is a deficient number, since it is larger than the sum of its proper divisors (95925263886308).

100200221021212 is a wasteful number, since it uses less digits than its factorization.

100200221021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694889170 (or 694889168 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100200221021212 its reverse (212120122002001), we get a palindrome (312320343023213).

The spelling of 100200221021212 in words is "one hundred trillion, two hundred billion, two hundred twenty-one million, twenty-one thousand, two hundred twelve".