12021331026313 has 32 divisors (see below), whose sum is σ = 14322671686400. Its totient is φ = 9874431857664.

The previous prime is 12021331026301. The next prime is 12021331026317. The reversal of 12021331026313 is 31362013312021.

It is a cyclic number.

It is not a de Polignac number, because 12021331026313 - 2¹⁷ = 12021330895241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021331026317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127827253 + ... + 127921261.

It is an arithmetic number, because the mean of its divisors is an integer number (447583490200).

Almost surely, 2^{12021331026313} is an apocalyptic number.

It is an amenable number.

12021331026313 is a deficient number, since it is larger than the sum of its proper divisors (2301340660087).

12021331026313 is an equidigital number, since it uses as much as digits as its factorization.

12021331026313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101489.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 12021331026313 its reverse (31362013312021), we get a palindrome (43383344338334).

The spelling of 12021331026313 in words is "twelve trillion, twenty-one billion, three hundred thirty-one million, twenty-six thousand, three hundred thirteen".