100212015 has 16 divisors (see below), whose sum is σ = 160466400. Its totient is φ = 53404032.

The previous prime is 100211981. The next prime is 100212043. The reversal of 100212015 is 510212001.

It is not a de Polignac number, because 100212015 - 2¹³ = 100203823 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29421 + ... + 32649.

It is an arithmetic number, because the mean of its divisors is an integer number (10029150).

Almost surely, 2^100212015 is an apocalyptic number.

100212015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100212015 is a deficient number, since it is larger than the sum of its proper divisors (60254385).

100212015 is a wasteful number, since it uses less digits than its factorization.

100212015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5306.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 100212015 is about 10010.5951371534. The cubic root of 100212015 is about 464.4866806294.

Adding to 100212015 its reverse (510212001), we get a palindrome (610424016).

The spelling of 100212015 in words is "one hundred million, two hundred twelve thousand, fifteen".