12003511225 has 12 divisors (see below), whose sum is σ = 14889342780. Its totient is φ = 9599590400.

The previous prime is 12003511207. The next prime is 12003511241. The reversal of 12003511225 is 52211530021.

It can be written as a sum of positive squares in 6 ways, for example, as 1877315584 + 10126195641 = 43328^2 + 100629^2 .

It is not a de Polignac number, because 12003511225 - 2¹⁵ = 12003478457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12003511196 and 12003511205.

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, 2920 + ... + 154969.

It is an arithmetic number, because the mean of its divisors is an integer number (1240778565).

Almost surely, 2^12003511225 is an apocalyptic number.

It is an amenable number.

12003511225 is a deficient number, since it is larger than the sum of its proper divisors (2885831555).

12003511225 is a wasteful number, since it uses less digits than its factorization.

12003511225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160940 (or 160935 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 12003511225 in words is "twelve billion, three million, five hundred eleven thousand, two hundred twenty-five".