11312020020000 has 960 divisors, whose sum is σ = 43329311182080. Its totient is φ = 2529626112000.

The previous prime is 11312020019999. The next prime is 11312020020013. The reversal of 11312020020000 is 2002021311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13645379586 + ... + 13645380414.

It is an arithmetic number, because the mean of its divisors is an integer number (45134699148).

Almost surely, 2^{11312020020000} is an apocalyptic number.

11312020020000 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 11312020020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21664655591040).

11312020020000 is an abundant number, since it is smaller than the sum of its proper divisors (32017291162080).

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

11312020020000 is an equidigital number, since it uses as much as digits as its factorization.

11312020020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11312020020000 its reverse (2002021311), we get a palindrome (11314022041311).

The spelling of 11312020020000 in words is "eleven trillion, three hundred twelve billion, twenty million, twenty thousand".