12021320211013 has 8 divisors (see below), whose sum is σ = 12544309073088. Its totient is φ = 11498358246144.

The previous prime is 12021320210969. The next prime is 12021320211049. The reversal of 12021320211013 is 31011202312021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021320211013 - 2²⁹ = 12020783340101 is a prime.

It is a super-3 number, since 3×12021320211013³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021320211083) 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, 5808331 + ... + 7601272.

It is an arithmetic number, because the mean of its divisors is an integer number (1568038634136).

Almost surely, 2^{12021320211013} is an apocalyptic number.

It is an amenable number.

12021320211013 is a deficient number, since it is larger than the sum of its proper divisors (522988862075).

12021320211013 is a wasteful number, since it uses less digits than its factorization.

12021320211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448603.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12021320211013 its reverse (31011202312021), we get a palindrome (43032522523034).

The spelling of 12021320211013 in words is "twelve trillion, twenty-one billion, three hundred twenty million, two hundred eleven thousand, thirteen".