103012200 has 144 divisors (see below), whose sum is σ = 349159200. Its totient is φ = 27216000.

The previous prime is 103012187. The next prime is 103012229. The reversal of 103012200 is 2210301.

It is a happy number.

It is a super-2 number, since 2×103012200² = 21223026697680000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 271611 + ... + 271989.

Almost surely, 2^103012200 is an apocalyptic number.

103012200 is a gapful number since it is divisible by the number (10) 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 103012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174579600).

103012200 is an abundant number, since it is smaller than the sum of its proper divisors (246147000).

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

103012200 is a wasteful number, since it uses less digits than its factorization.

103012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 103012200 is about 10149.4925981548. The cubic root of 103012200 is about 468.7733215063.

Adding to 103012200 its reverse (2210301), we get a palindrome (105222501).

The spelling of 103012200 in words is "one hundred three million, twelve thousand, two hundred".