1230010000 has 50 divisors (see below), whose sum is σ = 2978001422. Its totient is φ = 492000000.

The previous prime is 1230009997. The next prime is 1230010007. The reversal of 1230010000 is 100321.

It can be written as a sum of positive squares in 5 ways, for example, as 660901264 + 569108736 = 25708^2 + 23856^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (1230010007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51501 + ... + 71500.

Almost surely, 2^1230010000 is an apocalyptic number.

1230010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230010000 is an abundant number, since it is smaller than the sum of its proper divisors (1747991422).

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

1230010000 is an equidigital number, since it uses as much as digits as its factorization.

1230010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123029 (or 123008 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1230010000 is about 35071.4983996977. The cubic root of 1230010000 is about 1071.4441733178. Note that the first 3 decimals are identical.

Adding to 1230010000 its reverse (100321), we get a palindrome (1230110321).

The spelling of 1230010000 in words is "one billion, two hundred thirty million, ten thousand".