12020313132311 has 8 divisors (see below), whose sum is σ = 13360485266064. Its totient is φ = 10721377064320.

The previous prime is 12020313132307. The next prime is 12020313132379. The reversal of 12020313132311 is 11323131302021.

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 12020313132311 - 2² = 12020313132307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020313132301) 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, 10309015826 + ... + 10309016991.

It is an arithmetic number, because the mean of its divisors is an integer number (1670060658258).

Almost surely, 2^{12020313132311} is an apocalyptic number.

12020313132311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12020313132311 is a deficient number, since it is larger than the sum of its proper divisors (1340172133753).

12020313132311 is a wasteful number, since it uses less digits than its factorization.

12020313132311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618032881.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12020313132311 its reverse (11323131302021), we get a palindrome (23343444434332).

The spelling of 12020313132311 in words is "twelve trillion, twenty billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred eleven".