1043212200 has 96 divisors (see below), whose sum is σ = 3312912960. Its totient is φ = 271398400.

The previous prime is 1043212187. The next prime is 1043212201. The reversal of 1043212200 is 22123401.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1043212200.

It is not an unprimeable number, because it can be changed into a prime (1043212201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3397 + ... + 45803.

It is an arithmetic number, because the mean of its divisors is an integer number (34509510).

Almost surely, 2^1043212200 is an apocalyptic number.

1043212200 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 1043212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1656456480).

1043212200 is an abundant number, since it is smaller than the sum of its proper divisors (2269700760).

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

1043212200 is a wasteful number, since it uses less digits than its factorization.

1043212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42467 (or 42458 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1043212200 is about 32298.7956431815. The cubic root of 1043212200 is about 1014.2014312978.

Adding to 1043212200 its reverse (22123401), we get a palindrome (1065335601).

The spelling of 1043212200 in words is "one billion, forty-three million, two hundred twelve thousand, two hundred".