1300023012 has 24 divisors (see below), whose sum is σ = 3034475136. Its totient is φ = 433185568.

The previous prime is 1300022989. The next prime is 1300023013. The reversal of 1300023012 is 2103200031.

It is a happy number.

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 (1300023013) 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 7 ways as a sum of consecutive naturals, for example, 18358 + ... + 54194.

It is an arithmetic number, because the mean of its divisors is an integer number (126436464).

Almost surely, 2^1300023012 is an apocalyptic number.

1300023012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1300023012 is an abundant number, since it is smaller than the sum of its proper divisors (1734452124).

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

1300023012 is a wasteful number, since it uses less digits than its factorization.

1300023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38867 (or 38865 counting only the distinct ones).

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

The square root of 1300023012 is about 36055.8318722506. The cubic root of 1300023012 is about 1091.3993228008.

Adding to 1300023012 its reverse (2103200031), we get a palindrome (3403223043).

The spelling of 1300023012 in words is "one billion, three hundred million, twenty-three thousand, twelve".