1321012000300 has 72 divisors (see below), whose sum is σ = 2886595777296. Its totient is φ = 524723650560.

The previous prime is 1321012000279. The next prime is 1321012000309. The reversal of 1321012000300 is 30002101231.

It is not an unprimeable number, because it can be changed into a prime (1321012000309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19803804 + ... + 19870396.

It is an arithmetic number, because the mean of its divisors is an integer number (40091608018).

Almost surely, 2^{1321012000300} is an apocalyptic number.

1321012000300 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 1321012000300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443297888648).

1321012000300 is an abundant number, since it is smaller than the sum of its proper divisors (1565583776996).

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

1321012000300 is a wasteful number, since it uses less digits than its factorization.

1321012000300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67987 (or 67980 counting only the distinct ones).

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

Adding to 1321012000300 its reverse (30002101231), we get a palindrome (1351014101531).

The spelling of 1321012000300 in words is "one trillion, three hundred twenty-one billion, twelve million, three hundred", and thus it is an aban number.