12355221335 has 16 divisors (see below), whose sum is σ = 15341084640. Its totient is φ = 9541123200.

The previous prime is 12355221317. The next prime is 12355221341. The reversal of 12355221335 is 53312255321.

It is not a de Polignac number, because 12355221335 - 2¹² = 12355217239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906884 + ... + 920406.

It is an arithmetic number, because the mean of its divisors is an integer number (958817790).

Almost surely, 2^12355221335 is an apocalyptic number.

12355221335 is a deficient number, since it is larger than the sum of its proper divisors (2985863305).

12355221335 is a wasteful number, since it uses less digits than its factorization.

12355221335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19858.

The product of its digits is 27000, while the sum is 32.

Adding to 12355221335 its reverse (53312255321), we get a palindrome (65667476656).

The spelling of 12355221335 in words is "twelve billion, three hundred fifty-five million, two hundred twenty-one thousand, three hundred thirty-five".