12011300311021 has 8 divisors (see below), whose sum is σ = 13103490873600. Its totient is φ = 10919152110240.

The previous prime is 12011300311009. The next prime is 12011300311027.

It is a happy number.

12011300311021 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-12011300311021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011300310986 and 12011300311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011300311027) 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, 9996136 + ... + 11133073.

It is an arithmetic number, because the mean of its divisors is an integer number (1637936359200).

Almost surely, 2^{12011300311021} is an apocalyptic number.

12011300311021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12011300311021 is a deficient number, since it is larger than the sum of its proper divisors (1092190562579).

12011300311021 is a wasteful number, since it uses less digits than its factorization.

12011300311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21180899.

The product of its (nonzero) digits is 36, while the sum is 16.

It can be divided in two parts, 12011300 and 311021, that added together give a palindrome (12322321).

The spelling of 12011300311021 in words is "twelve trillion, eleven billion, three hundred million, three hundred eleven thousand, twenty-one".