12003501125 has 32 divisors (see below), whose sum is σ = 18676839168. Its totient is φ = 7482696000.

The previous prime is 12003501091. The next prime is 12003501143. The reversal of 12003501125 is 52110530021.

It is a happy number.

It is not a de Polignac number, because 12003501125 - 2⁶ = 12003501061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003501097 and 12003501106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613934 + ... + 633183.

It is an arithmetic number, because the mean of its divisors is an integer number (583651224).

Almost surely, 2^12003501125 is an apocalyptic number.

It is an amenable number.

12003501125 is a deficient number, since it is larger than the sum of its proper divisors (6673338043).

12003501125 is a wasteful number, since it uses less digits than its factorization.

12003501125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247150 (or 1247140 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 12003501125 in words is "twelve billion, three million, five hundred one thousand, one hundred twenty-five".