12102450125 has 8 divisors (see below), whose sum is σ = 15103857912. Its totient is φ = 9681960000.

The previous prime is 12102450103. The next prime is 12102450167. The reversal of 12102450125 is 52105420121.

It can be written as a sum of positive squares in 4 ways, for example, as 198330889 + 11904119236 = 14083^2 + 109106^2 .

It is not a de Polignac number, because 12102450125 - 2²² = 12098255821 is a prime.

It is a super-2 number, since 2×12102450125² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12102450125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48409676 + ... + 48409925.

It is an arithmetic number, because the mean of its divisors is an integer number (1887982239).

Almost surely, 2^12102450125 is an apocalyptic number.

It is an amenable number.

12102450125 is a deficient number, since it is larger than the sum of its proper divisors (3001407787).

12102450125 is an frugal number, since it uses more digits than its factorization.

12102450125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96819616 (or 96819606 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12102450125 its reverse (52105420121), we get a palindrome (64207870246).

The spelling of 12102450125 in words is "twelve billion, one hundred two million, four hundred fifty thousand, one hundred twenty-five".