100512315 has 12 divisors (see below), whose sum is σ = 174221424. Its totient is φ = 53606544.

The previous prime is 100512301. The next prime is 100512317. The reversal of 100512315 is 513215001.

It is not a de Polignac number, because 100512315 - 2⁸ = 100512059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100512317) 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, 1116759 + ... + 1116848.

It is an arithmetic number, because the mean of its divisors is an integer number (14518452).

Almost surely, 2^100512315 is an apocalyptic number.

100512315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100512315 is a deficient number, since it is larger than the sum of its proper divisors (73709109).

100512315 is a wasteful number, since it uses less digits than its factorization.

100512315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233618 (or 2233615 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 100512315 is about 10025.5830254405. The cubic root of 100512315 is about 464.9501854372.

Adding to 100512315 its reverse (513215001), we get a palindrome (613727316).

The spelling of 100512315 in words is "one hundred million, five hundred twelve thousand, three hundred fifteen".