12355221337 has 8 divisors (see below), whose sum is σ = 13098474752. Its totient is φ = 11633511600.

The previous prime is 12355221317. The next prime is 12355221341. The reversal of 12355221337 is 73312255321.

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 12355221337 - 2¹⁵ = 12355188569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12355221317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5384739 + ... + 5387032.

It is an arithmetic number, because the mean of its divisors is an integer number (1637309344).

Almost surely, 2^12355221337 is an apocalyptic number.

It is an amenable number.

12355221337 is a deficient number, since it is larger than the sum of its proper divisors (743253415).

12355221337 is a wasteful number, since it uses less digits than its factorization.

12355221337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10771839.

The product of its digits is 37800, while the sum is 34.

Adding to 12355221337 its reverse (73312255321), we get a palindrome (85667476658).

The spelling of 12355221337 in words is "twelve billion, three hundred fifty-five million, two hundred twenty-one thousand, three hundred thirty-seven".