12231455355 has 64 divisors (see below), whose sum is σ = 24868300800. Its totient is φ = 5587678080.

The previous prime is 12231455351. The next prime is 12231455389. The reversal of 12231455355 is 55355413221.

12231455355 is a `hidden beast` number, since 1 + 22 + 31 + 4 + 553 + 55 = 666.

It is not a de Polignac number, because 12231455355 - 2² = 12231455351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231455351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1726761 + ... + 1733829.

It is an arithmetic number, because the mean of its divisors is an integer number (388567200).

Almost surely, 2^12231455355 is an apocalyptic number.

12231455355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12231455355 is an abundant number, since it is smaller than the sum of its proper divisors (12636845445).

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

12231455355 is a wasteful number, since it uses less digits than its factorization.

12231455355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8921 (or 8915 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 12231455355 its reverse (55355413221), we get a palindrome (67586868576).

The spelling of 12231455355 in words is "twelve billion, two hundred thirty-one million, four hundred fifty-five thousand, three hundred fifty-five".