12012203254 has 16 divisors (see below), whose sum is σ = 18519658416. Its totient is φ = 5839236000.

The previous prime is 12012203249. The next prime is 12012203263. The reversal of 12012203254 is 45230221021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33889 + ... + 158659.

It is an arithmetic number, because the mean of its divisors is an integer number (1157478651).

Almost surely, 2^12012203254 is an apocalyptic number.

12012203254 is a deficient number, since it is larger than the sum of its proper divisors (6507455162).

12012203254 is a wasteful number, since it uses less digits than its factorization.

12012203254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126111.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12012203254 its reverse (45230221021), we get a palindrome (57242424275).

The spelling of 12012203254 in words is "twelve billion, twelve million, two hundred three thousand, two hundred fifty-four".