1230012300 has 144 divisors (see below), whose sum is σ = 3977495424. Its totient is φ = 290880000.

The previous prime is 1230012299. The next prime is 1230012319. The reversal of 1230012300 is 32100321.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130755 + ... + 139845.

It is an arithmetic number, because the mean of its divisors is an integer number (27621496).

Almost surely, 2^1230012300 is an apocalyptic number.

1230012300 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 1230012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988747712).

1230012300 is an abundant number, since it is smaller than the sum of its proper divisors (2747483124).

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

1230012300 is a wasteful number, since it uses less digits than its factorization.

1230012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160 (or 9153 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1230012300 is about 35071.5311898411. The cubic root of 1230012300 is about 1071.4448411498. Note that the first 3 decimals are identical.

Adding to 1230012300 its reverse (32100321), we get a palindrome (1262112621).

The spelling of 1230012300 in words is "one billion, two hundred thirty million, twelve thousand, three hundred".