1000012300 has 72 divisors (see below), whose sum is σ = 2537782016. Its totient is φ = 334877760.

The previous prime is 1000012297. The next prime is 1000012309. The reversal of 1000012300 is 32100001.

It is a Harshad number since it is a multiple of its sum of digits (7).

1000012300 is a modest number, since divided by 12300 gives 10000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1000012309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13489 + ... + 46711.

Almost surely, 2^1000012300 is an apocalyptic number.

1000012300 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 1000012300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1268891008).

1000012300 is an abundant number, since it is smaller than the sum of its proper divisors (1537769716).

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

1000012300 is a wasteful number, since it uses less digits than its factorization.

1000012300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33287 (or 33280 counting only the distinct ones).

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

The square root of 1000012300 is about 31622.9710811619. The cubic root of 1000012300 is about 1000.0040999832.

Adding to 1000012300 its reverse (32100001), we get a palindrome (1032112301).

The spelling of 1000012300 in words is "one billion, twelve thousand, three hundred".