12355334056 has 64 divisors (see below), whose sum is σ = 25531188480. Its totient is φ = 5569724160.

The previous prime is 12355333981. The next prime is 12355334063. The reversal of 12355334056 is 65043355321.

It is a super-2 number, since 2×12355334056² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2671426 + ... + 2676046.

It is an arithmetic number, because the mean of its divisors is an integer number (398924820).

Almost surely, 2^12355334056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12355334056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12765594240).

12355334056 is an abundant number, since it is smaller than the sum of its proper divisors (13175854424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12355334056 is a wasteful number, since it uses less digits than its factorization.

12355334056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234 (or 5230 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 12355334056 its reverse (65043355321), we get a palindrome (77398689377).

It can be divided in two parts, 123553 and 34056, that added together give a square (157609 = 397²).

The spelling of 12355334056 in words is "twelve billion, three hundred fifty-five million, three hundred thirty-four thousand, fifty-six".