12140345525 has 24 divisors (see below), whose sum is σ = 18768661824. Its totient is φ = 7568006400.

The previous prime is 12140345381. The next prime is 12140345543. The reversal of 12140345525 is 52554304121.

It is not a de Polignac number, because 12140345525 - 2²⁶ = 12073236661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12140345491 and 12140345500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3151412 + ... + 3155261.

It is an arithmetic number, because the mean of its divisors is an integer number (782027576).

Almost surely, 2^12140345525 is an apocalyptic number.

It is an amenable number.

12140345525 is a deficient number, since it is larger than the sum of its proper divisors (6628316299).

12140345525 is a wasteful number, since it uses less digits than its factorization.

12140345525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306701 (or 6306696 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 12140345525 its reverse (52554304121), we get a palindrome (64694649646).

The spelling of 12140345525 in words is "twelve billion, one hundred forty million, three hundred forty-five thousand, five hundred twenty-five".