100012121000210 has 8 divisors (see below), whose sum is σ = 180021817800396. Its totient is φ = 40004848400080.

The previous prime is 100012121000117. The next prime is 100012121000219. The reversal of 100012121000210 is 12000121210001.

It can be written as a sum of positive squares in 2 ways, for example, as 80694522558169 + 19317598442041 = 8983013^2 + 4395179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100012121000191 and 100012121000200.

It is not an unprimeable number, because it can be changed into a prime (100012121000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000606050001 + ... + 5000606050020.

Almost surely, 2^{100012121000210} is an apocalyptic number.

100012121000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100012121000210 is a deficient number, since it is larger than the sum of its proper divisors (80009696800186).

100012121000210 is a wasteful number, since it uses less digits than its factorization.

100012121000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001212100028.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100012121000210 its reverse (12000121210001), we get a palindrome (112012242210211).

The spelling of 100012121000210 in words is "one hundred trillion, twelve billion, one hundred twenty-one million, two hundred ten", and thus it is an aban number.