1230012200 has 24 divisors (see below), whose sum is σ = 2859778830. Its totient is φ = 492004800.

The previous prime is 1230012191. The next prime is 1230012241. The reversal of 1230012200 is 22100321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 524684836 + 705327364 = 22906^2 + 26558^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3074831 + ... + 3075230.

Almost surely, 2^1230012200 is an apocalyptic number.

1230012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230012200 is an abundant number, since it is smaller than the sum of its proper divisors (1629766630).

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

1230012200 is a wasteful number, since it uses less digits than its factorization.

1230012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150077 (or 6150068 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1230012200 is about 35071.5297641834. The cubic root of 1230012200 is about 1071.4448121136. Note that the first 3 decimals are identical.

Adding to 1230012200 its reverse (22100321), we get a palindrome (1252112521).

The spelling of 1230012200 in words is "one billion, two hundred thirty million, twelve thousand, two hundred".