12051125012 has 12 divisors (see below), whose sum is σ = 21276102036. Its totient is φ = 5972238720.

The previous prime is 12051124973. The next prime is 12051125033. The reversal of 12051125012 is 21052115021.

It can be written as a sum of positive squares in 2 ways, for example, as 2697140356 + 9353984656 = 51934^2 + 96716^2 .

It is a super-2 number, since 2×12051125012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13330439 + ... + 13331342.

It is an arithmetic number, because the mean of its divisors is an integer number (1773008503).

Almost surely, 2^12051125012 is an apocalyptic number.

It is an amenable number.

12051125012 is a deficient number, since it is larger than the sum of its proper divisors (9224977024).

12051125012 is a wasteful number, since it uses less digits than its factorization.

12051125012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26661898 (or 26661896 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Subtracting 12051125012 from its reverse (21052115021), we obtain a palindrome (9000990009).

The spelling of 12051125012 in words is "twelve billion, fifty-one million, one hundred twenty-five thousand, twelve".