103112412 has 96 divisors (see below), whose sum is σ = 279417600. Its totient is φ = 29309952.

The previous prime is 103112393. The next prime is 103112431. The reversal of 103112412 is 214211301.

It is an interprime number because it is at equal distance from previous prime (103112393) and next prime (103112431).

It is a junction number, because it is equal to n+sod(n) for n = 103112391 and 103112400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156139 + ... + 156797.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^103112412 is an apocalyptic number.

103112412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103112412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139708800).

103112412 is an abundant number, since it is smaller than the sum of its proper divisors (176305188).

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

103112412 is a wasteful number, since it uses less digits than its factorization.

103112412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 103112412 is about 10154.4281966047. The cubic root of 103112412 is about 468.9252824297.

Adding to 103112412 its reverse (214211301), we get a palindrome (317323713).

The spelling of 103112412 in words is "one hundred three million, one hundred twelve thousand, four hundred twelve".