103212307 has 8 divisors (see below), whose sum is σ = 113648832. Its totient is φ = 92951400.

The previous prime is 103212301. The next prime is 103212311. The reversal of 103212307 is 703212301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103212307 - 2¹¹ = 103210259 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (103212301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42669 + ... + 45022.

It is an arithmetic number, because the mean of its divisors is an integer number (14206104).

Almost surely, 2^103212307 is an apocalyptic number.

103212307 is a deficient number, since it is larger than the sum of its proper divisors (10436525).

103212307 is a wasteful number, since it uses less digits than its factorization.

103212307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87809.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 103212307 is about 10159.3457958670. The cubic root of 103212307 is about 469.0766646965.

Adding to 103212307 its reverse (703212301), we get a palindrome (806424608).

The spelling of 103212307 in words is "one hundred three million, two hundred twelve thousand, three hundred seven".