100012101985 has 8 divisors (see below), whose sum is σ = 120016690560. Its totient is φ = 80008236144.

The previous prime is 100012101953. The next prime is 100012102027. The reversal of 100012101985 is 589101210001.

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

It is a cyclic number.

It is not a de Polignac number, because 100012101985 - 2⁵ = 100012101953 is a prime.

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, 194634 + ... + 487756.

It is an arithmetic number, because the mean of its divisors is an integer number (15002086320).

Almost surely, 2^100012101985 is an apocalyptic number.

It is an amenable number.

100012101985 is a deficient number, since it is larger than the sum of its proper divisors (20004588575).

100012101985 is an equidigital number, since it uses as much as digits as its factorization.

100012101985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361367.

The product of its (nonzero) digits is 720, while the sum is 28.

Adding to 100012101985 its reverse (589101210001), we get a palindrome (689113311986).

The spelling of 100012101985 in words is "one hundred billion, twelve million, one hundred one thousand, nine hundred eighty-five".