100200211221212 has 24 divisors (see below), whose sum is σ = 185669261028720. Its totient is φ = 47151983110400.

The previous prime is 100200211221169. The next prime is 100200211221269. The reversal of 100200211221212 is 212122112002001.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 13464287 + ... + 19536822.

It is an arithmetic number, because the mean of its divisors is an integer number (7736219209530).

Almost surely, 2^{100200211221212} is an apocalyptic number.

It is an amenable number.

100200211221212 is a deficient number, since it is larger than the sum of its proper divisors (85469049807508).

100200211221212 is a wasteful number, since it uses less digits than its factorization.

100200211221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33045781 (or 33045779 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100200211221212 its reverse (212122112002001), we get a palindrome (312322323223213).

The spelling of 100200211221212 in words is "one hundred trillion, two hundred billion, two hundred eleven million, two hundred twenty-one thousand, two hundred twelve".