103213112 has 16 divisors (see below), whose sum is σ = 195442200. Its totient is φ = 51095200.

The previous prime is 103213109. The next prime is 103213127. The reversal of 103213112 is 211312301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63062 + ... + 64677.

Almost surely, 2^103213112 is an apocalyptic number.

It is an amenable number.

103213112 is a deficient number, since it is larger than the sum of its proper divisors (92229088).

103213112 is a wasteful number, since it uses less digits than its factorization.

103213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127846 (or 127842 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103213112 is about 10159.3854144825. The cubic root of 103213112 is about 469.0778842079.

Adding to 103213112 its reverse (211312301), we get a palindrome (314525413).

The spelling of 103213112 in words is "one hundred three million, two hundred thirteen thousand, one hundred twelve".