12154320200 has 48 divisors (see below), whose sum is σ = 30827781360. Its totient is φ = 4419752000.

The previous prime is 12154320173. The next prime is 12154320259. The reversal of 12154320200 is 202345121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2760146 + ... + 2764545.

It is an arithmetic number, because the mean of its divisors is an integer number (642245445).

Almost surely, 2^12154320200 is an apocalyptic number.

12154320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12154320200 is an abundant number, since it is smaller than the sum of its proper divisors (18673461160).

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

12154320200 is a wasteful number, since it uses less digits than its factorization.

12154320200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524718 (or 5524709 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12154320200 its reverse (202345121), we get a palindrome (12356665321).

The spelling of 12154320200 in words is "twelve billion, one hundred fifty-four million, three hundred twenty thousand, two hundred".