103103312212 has 24 divisors (see below), whose sum is σ = 191205057960. Its totient is φ = 48560010240.

The previous prime is 103103312203. The next prime is 103103312227. The reversal of 103103312212 is 212213301301.

It can be written as a sum of positive squares in 4 ways, for example, as 10319715396 + 92783596816 = 101586^2 + 304604^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103103312212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10834533 + ... + 10844044.

It is an arithmetic number, because the mean of its divisors is an integer number (7966877415).

Almost surely, 2^103103312212 is an apocalyptic number.

It is an amenable number.

103103312212 is a deficient number, since it is larger than the sum of its proper divisors (88101745748).

103103312212 is a wasteful number, since it uses less digits than its factorization.

103103312212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21678651 (or 21678649 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 103103312212 its reverse (212213301301), we get a palindrome (315316613513).

The spelling of 103103312212 in words is "one hundred three billion, one hundred three million, three hundred twelve thousand, two hundred twelve".