12355333355321 has 16 divisors (see below), whose sum is σ = 13613383354176. Its totient is φ = 11119779000000.

The previous prime is 12355333355311. The next prime is 12355333355377.

12355333355321 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 12355333355321 - 2²⁶ = 12355266246457 is a prime.

It is a super-2 number, since 2×12355333355321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12355333355311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10438406 + ... + 11561616.

It is an arithmetic number, because the mean of its divisors is an integer number (850836459636).

Almost surely, 2^{12355333355321} is an apocalyptic number.

12355333355321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12355333355321 is a deficient number, since it is larger than the sum of its proper divisors (1258049998855).

12355333355321 is a wasteful number, since it uses less digits than its factorization.

12355333355321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133224.

The product of its digits is 1822500, while the sum is 44.

The spelling of 12355333355321 in words is "twelve trillion, three hundred fifty-five billion, three hundred thirty-three million, three hundred fifty-five thousand, three hundred twenty-one".