103211012 has 24 divisors (see below), whose sum is σ = 191600640. Its totient is φ = 48479360.

The previous prime is 103210999. The next prime is 103211027. The reversal of 103211012 is 210112301.

It is a junction number, because it is equal to n+sod(n) for n = 103210984 and 103211002.

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, 47837 + ... + 49947.

It is an arithmetic number, because the mean of its divisors is an integer number (7983360).

Almost surely, 2^103211012 is an apocalyptic number.

It is an amenable number.

103211012 is a deficient number, since it is larger than the sum of its proper divisors (88389628).

103211012 is a wasteful number, since it uses less digits than its factorization.

103211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103211012 is about 10159.2820612482. The cubic root of 103211012 is about 469.0747028607.

Adding to 103211012 its reverse (210112301), we get a palindrome (313323313).

The spelling of 103211012 in words is "one hundred three million, two hundred eleven thousand, twelve".