100012275 has 72 divisors (see below), whose sum is σ = 207000144. Its totient is φ = 45619200.

The previous prime is 100012273. The next prime is 100012277. The reversal of 100012275 is 572210001.

It is an interprime number because it is at equal distance from previous prime (100012273) and next prime (100012277).

It is not a de Polignac number, because 100012275 - 2¹ = 100012273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100012273) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40887 + ... + 43263.

It is an arithmetic number, because the mean of its divisors is an integer number (2875002).

Almost surely, 2^100012275 is an apocalyptic number.

100012275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100012275 is an abundant number, since it is smaller than the sum of its proper divisors (106987869).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100012275 is a wasteful number, since it uses less digits than its factorization.

100012275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 100012275 is about 10000.6137311667. The cubic root of 100012275 is about 464.1778744186.

Adding to 100012275 its reverse (572210001), we get a palindrome (672222276).

The spelling of 100012275 in words is "one hundred million, twelve thousand, two hundred seventy-five".