10011231320120 has 32 divisors (see below), whose sum is σ = 22574132269920. Its totient is φ = 3995805985920.

The previous prime is 10011231320117. The next prime is 10011231320179. The reversal of 10011231320120 is 2102313211001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271435772 + ... + 271472651.

It is an arithmetic number, because the mean of its divisors is an integer number (705441633435).

Almost surely, 2^{10011231320120} is an apocalyptic number.

10011231320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10011231320120 is an abundant number, since it is smaller than the sum of its proper divisors (12562900949800).

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

10011231320120 is a wasteful number, since it uses less digits than its factorization.

10011231320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542908895 (or 542908891 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10011231320120 its reverse (2102313211001), we get a palindrome (12113544531121).

The spelling of 10011231320120 in words is "ten trillion, eleven billion, two hundred thirty-one million, three hundred twenty thousand, one hundred twenty".