103212122 has 32 divisors (see below), whose sum is σ = 172488960. Its totient is φ = 46019520.

The previous prime is 103212103. The next prime is 103212163. The reversal of 103212122 is 221212301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103212097 and 103212106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 93023 + ... + 94125.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^103212122 is an apocalyptic number.

103212122 is a deficient number, since it is larger than the sum of its proper divisors (69276838).

103212122 is a wasteful number, since it uses less digits than its factorization.

103212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 103212122 is about 10159.3366909459. The cubic root of 103212122 is about 469.0763844353.

Adding to 103212122 its reverse (221212301), we get a palindrome (324424423).

The spelling of 103212122 in words is "one hundred three million, two hundred twelve thousand, one hundred twenty-two".