12154004224 has 18 divisors (see below), whose sum is σ = 24260532380. Its totient is φ = 6077001984.

The previous prime is 12154004201. The next prime is 12154004249. The reversal of 12154004224 is 42240045121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23738034 + ... + 23738545.

Almost surely, 2^12154004224 is an apocalyptic number.

It is an amenable number.

12154004224 is a deficient number, since it is larger than the sum of its proper divisors (12106528156).

12154004224 is an frugal number, since it uses more digits than its factorization.

12154004224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47476595 (or 47476581 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12154004224 its reverse (42240045121), we get a palindrome (54394049345).

The spelling of 12154004224 in words is "twelve billion, one hundred fifty-four million, four thousand, two hundred twenty-four".