100012207 has 12 divisors (see below), whose sum is σ = 106629696. Its totient is φ = 93785600.

The previous prime is 100012189. The next prime is 100012217. The reversal of 100012207 is 702210001.

It is not a de Polignac number, because 100012207 - 2¹⁹ = 99487919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115458 + ... + 116320.

It is an arithmetic number, because the mean of its divisors is an integer number (8885808).

Almost surely, 2^100012207 is an apocalyptic number.

100012207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

100012207 is a deficient number, since it is larger than the sum of its proper divisors (6617489).

100012207 is an equidigital number, since it uses as much as digits as its factorization.

100012207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1281 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 100012207 is about 10000.6103313748. The cubic root of 100012207 is about 464.1777692178.

Adding to 100012207 its reverse (702210001), we get a palindrome (802222208).

The spelling of 100012207 in words is "one hundred million, twelve thousand, two hundred seven".