100212475 has 24 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 72583200.

The previous prime is 100212473. The next prime is 100212571. The reversal of 100212475 is 574212001.

It is a happy number.

It is not a de Polignac number, because 100212475 - 2¹ = 100212473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100212473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83832 + ... + 85018.

It is an arithmetic number, because the mean of its divisors is an integer number (5671512).

Almost surely, 2^100212475 is an apocalyptic number.

100212475 is a deficient number, since it is larger than the sum of its proper divisors (35903813).

100212475 is a wasteful number, since it uses less digits than its factorization.

100212475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515 (or 1510 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 100212475 is about 10010.6181127840. The cubic root of 100212475 is about 464.4873913344.

Adding to 100212475 its reverse (574212001), we get a palindrome (674424476).

The spelling of 100212475 in words is "one hundred million, two hundred twelve thousand, four hundred seventy-five".