12003154000 has 40 divisors (see below), whose sum is σ = 29023631208. Its totient is φ = 4801260800.

The previous prime is 12003153983. The next prime is 12003154001. The reversal of 12003154000 is 45130021.

It can be written as a sum of positive squares in 4 ways, for example, as 2275671616 + 9727482384 = 47704^2 + 98628^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003154001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998789 + ... + 3002788.

Almost surely, 2^12003154000 is an apocalyptic number.

12003154000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12003154000 is an abundant number, since it is smaller than the sum of its proper divisors (17020477208).

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

12003154000 is an equidigital number, since it uses as much as digits as its factorization.

12003154000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001600 (or 6001584 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 12003154000 its reverse (45130021), we get a palindrome (12048284021).

The spelling of 12003154000 in words is "twelve billion, three million, one hundred fifty-four thousand".