1300321012 has 24 divisors (see below), whose sum is σ = 2397225600. Its totient is φ = 615453696.

The previous prime is 1300320997. The next prime is 1300321019. The reversal of 1300321012 is 2101230031.

It is a junction number, because it is equal to n+sod(n) for n = 1300320983 and 1300321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300321019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101013 + ... + 113155.

It is an arithmetic number, because the mean of its divisors is an integer number (99884400).

Almost surely, 2^1300321012 is an apocalyptic number.

It is an amenable number.

1300321012 is a deficient number, since it is larger than the sum of its proper divisors (1096904588).

1300321012 is a wasteful number, since it uses less digits than its factorization.

1300321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575 (or 13573 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1300321012 is about 36059.9641153454. The cubic root of 1300321012 is about 1091.4827090556.

Adding to 1300321012 its reverse (2101230031), we get a palindrome (3401551043).

It can be divided in two parts, 130032 and 1012, that added together give a square (131044 = 362²).

The spelling of 1300321012 in words is "one billion, three hundred million, three hundred twenty-one thousand, twelve".