12021311021313 has 8 divisors (see below), whose sum is σ = 17485543303776. Its totient is φ = 7285643043200.

The previous prime is 12021311021257. The next prime is 12021311021347. The reversal of 12021311021313 is 31312011312021.

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 12021311021313 - 2³⁸ = 11746433114369 is a prime.

It is a super-2 number, since 2×12021311021313² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021311021313.

It is not an unprimeable number, because it can be changed into a prime (12021311021383) by changing a digit.

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, 182141076048 + ... + 182141076113.

It is an arithmetic number, because the mean of its divisors is an integer number (2185692912972).

Almost surely, 2^{12021311021313} is an apocalyptic number.

It is an amenable number.

12021311021313 is a deficient number, since it is larger than the sum of its proper divisors (5464232282463).

12021311021313 is a wasteful number, since it uses less digits than its factorization.

12021311021313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364282152175.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12021311021313 its reverse (31312011312021), we get a palindrome (43333322333334).

The spelling of 12021311021313 in words is "twelve trillion, twenty-one billion, three hundred eleven million, twenty-one thousand, three hundred thirteen".