100212102121688 has 16 divisors (see below), whose sum is σ = 187915313104080. Its totient is φ = 50101351960608.

The previous prime is 100212102121687. The next prime is 100212102121721. The reversal of 100212102121688 is 886121201212001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100212102121687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587296895 + ... + 587467502.

It is an arithmetic number, because the mean of its divisors is an integer number (11744707069005).

Almost surely, 2^{100212102121688} is an apocalyptic number.

It is an amenable number.

100212102121688 is a deficient number, since it is larger than the sum of its proper divisors (87703210982392).

100212102121688 is a wasteful number, since it uses less digits than its factorization.

100212102121688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174775066 (or 1174775062 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 35.

Adding to 100212102121688 its reverse (886121201212001), we get a palindrome (986333303333689).

The spelling of 100212102121688 in words is "one hundred trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand, six hundred eighty-eight".