12255144532 has 12 divisors (see below), whose sum is σ = 21902811840. Its totient is φ = 5997198296.

The previous prime is 12255144521. The next prime is 12255144557. The reversal of 12255144532 is 23544155221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32593282 + ... + 32593657.

It is an arithmetic number, because the mean of its divisors is an integer number (1825234320).

Almost surely, 2^12255144532 is an apocalyptic number.

It is an amenable number.

12255144532 is a deficient number, since it is larger than the sum of its proper divisors (9647667308).

12255144532 is a wasteful number, since it uses less digits than its factorization.

12255144532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65186990 (or 65186988 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

Adding to 12255144532 its reverse (23544155221), we get a palindrome (35799299753).

The spelling of 12255144532 in words is "twelve billion, two hundred fifty-five million, one hundred forty-four thousand, five hundred thirty-two".