100212685 has 8 divisors (see below), whose sum is σ = 121777920. Its totient is φ = 79155024.

The previous prime is 100212659. The next prime is 100212701. The reversal of 100212685 is 586212001.

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 100212685 - 2¹⁵ = 100179917 is a prime.

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, 126457 + ... + 127246.

It is an arithmetic number, because the mean of its divisors is an integer number (15222240).

Almost surely, 2^100212685 is an apocalyptic number.

It is an amenable number.

100212685 is a deficient number, since it is larger than the sum of its proper divisors (21565235).

100212685 is an equidigital number, since it uses as much as digits as its factorization.

100212685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253787.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 100212685 is about 10010.6286016414. The cubic root of 100212685 is about 464.4877157860.

Adding to 100212685 its reverse (586212001), we get a palindrome (686424686).

The spelling of 100212685 in words is "one hundred million, two hundred twelve thousand, six hundred eighty-five".