1230100200 has 288 divisors, whose sum is σ = 4752820800. Its totient is φ = 279290880.

The previous prime is 1230100171. The next prime is 1230100219. The reversal of 1230100200 is 20010321.

It is a happy number.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2935591 + ... + 2936009.

It is an arithmetic number, because the mean of its divisors is an integer number (16502850).

Almost surely, 2^1230100200 is an apocalyptic number.

1230100200 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 1230100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376410400).

1230100200 is an abundant number, since it is smaller than the sum of its proper divisors (3522720600).

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

1230100200 is a wasteful number, since it uses less digits than its factorization.

1230100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 669 counting only the distinct ones).

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

The square root of 1230100200 is about 35072.7843206096. The cubic root of 1230100200 is about 1071.4703633222.

Adding to 1230100200 its reverse (20010321), we get a palindrome (1250110521).

The spelling of 1230100200 in words is "one billion, two hundred thirty million, one hundred thousand, two hundred".