103112212 has 24 divisors (see below), whose sum is σ = 211256640. Its totient is φ = 43112640.

The previous prime is 103112209. The next prime is 103112239. The reversal of 103112212 is 212211301.

It is a junction number, because it is equal to n+sod(n) for n = 103112192 and 103112201.

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, 43762 + ... + 46057.

It is an arithmetic number, because the mean of its divisors is an integer number (8802360).

Almost surely, 2^103112212 is an apocalyptic number.

It is an amenable number.

103112212 is an abundant number, since it is smaller than the sum of its proper divisors (108144428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103112212 is a wasteful number, since it uses less digits than its factorization.

103112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89871 (or 89869 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 103112212 is about 10154.4183486796. The cubic root of 103112212 is about 468.9249792488.

Adding to 103112212 its reverse (212211301), we get a palindrome (315323513).

The spelling of 103112212 in words is "one hundred three million, one hundred twelve thousand, two hundred twelve".