103221212012 has 24 divisors (see below), whose sum is σ = 183985618320. Its totient is φ = 50656624640.

The previous prime is 103221211999. The next prime is 103221212021. The reversal of 103221212012 is 210212122301.

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 7 ways as a sum of consecutive naturals, for example, 189893 + ... + 492444.

It is an arithmetic number, because the mean of its divisors is an integer number (7666067430).

Almost surely, 2^103221212012 is an apocalyptic number.

It is an amenable number.

103221212012 is a deficient number, since it is larger than the sum of its proper divisors (80764406308).

103221212012 is a wasteful number, since it uses less digits than its factorization.

103221212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683041 (or 683039 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 103221212012 its reverse (210212122301), we get a palindrome (313433334313).

The spelling of 103221212012 in words is "one hundred three billion, two hundred twenty-one million, two hundred twelve thousand, twelve".