1011320300000 has 144 divisors (see below), whose sum is σ = 2506835958480. Its totient is φ = 401569920000.

The previous prime is 1011320299999. The next prime is 1011320300017. The reversal of 1011320300000 is 30231101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13663091 + ... + 13736909.

It is an arithmetic number, because the mean of its divisors is an integer number (17408583045).

Almost surely, 2^{1011320300000} is an apocalyptic number.

1011320300000 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 1011320300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253417979240).

1011320300000 is an abundant number, since it is smaller than the sum of its proper divisors (1495515658480).

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

1011320300000 is an frugal number, since it uses more digits than its factorization.

1011320300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73991 (or 73963 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 1011320300000 its reverse (30231101), we get a palindrome (1011350531101).

The spelling of 1011320300000 in words is "one trillion, eleven billion, three hundred twenty million, three hundred thousand".