1230200010 has 144 divisors (see below), whose sum is σ = 3584201400. Its totient is φ = 292271616.

The previous prime is 1230199963. The next prime is 1230200017. The reversal of 1230200010 is 100020321.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 84681 + 1230115329 = 291^2 + 35073^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1230199965 and 1230200001.

It is not an unprimeable number, because it can be changed into a prime (1230200017) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 439696 + ... + 442484.

Almost surely, 2^1230200010 is an apocalyptic number.

1230200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230200010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792100700).

1230200010 is an abundant number, since it is smaller than the sum of its proper divisors (2354001390).

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

1230200010 is a wasteful number, since it uses less digits than its factorization.

1230200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2841 counting only the distinct ones).

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

The square root of 1230200010 is about 35074.2071898995. The cubic root of 1230200010 is about 1071.4993421444.

Adding to 1230200010 its reverse (100020321), we get a palindrome (1330220331).

The spelling of 1230200010 in words is "one billion, two hundred thirty million, two hundred thousand, ten".