12255321151 has 4 divisors (see below), whose sum is σ = 12367755400. Its totient is φ = 12142886904.

The previous prime is 12255321139. The next prime is 12255321161. The reversal of 12255321151 is 15112355221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12255321151 - 2¹⁹ = 12254796863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255321161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56216961 + ... + 56217178.

It is an arithmetic number, because the mean of its divisors is an integer number (3091938850).

Almost surely, 2^12255321151 is an apocalyptic number.

12255321151 is a deficient number, since it is larger than the sum of its proper divisors (112434249).

12255321151 is a wasteful number, since it uses less digits than its factorization.

12255321151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112434248.

The product of its digits is 3000, while the sum is 28.

Adding to 12255321151 its reverse (15112355221), we get a palindrome (27367676372).

The spelling of 12255321151 in words is "twelve billion, two hundred fifty-five million, three hundred twenty-one thousand, one hundred fifty-one".