1230220200 has 96 divisors (see below), whose sum is σ = 4160403360. Its totient is φ = 298233600.

The previous prime is 1230220183. The next prime is 1230220207. The reversal of 1230220200 is 20220321.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1230220207) 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, 86599 + ... + 99798.

It is an arithmetic number, because the mean of its divisors is an integer number (43337535).

Almost surely, 2^1230220200 is an apocalyptic number.

1230220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230220200 is an abundant number, since it is smaller than the sum of its proper divisors (2930183160).

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

1230220200 is a wasteful number, since it uses less digits than its factorization.

1230220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186427 (or 186418 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1230220200 is about 35074.4950070561. The cubic root of 1230220200 is about 1071.5052039157.

Adding to 1230220200 its reverse (20220321), we get a palindrome (1250440521).

The spelling of 1230220200 in words is "one billion, two hundred thirty million, two hundred twenty thousand, two hundred".