12140025431 has 4 divisors (see below), whose sum is σ = 12854144592. Its totient is φ = 11425906272.

The previous prime is 12140025323. The next prime is 12140025449. The reversal of 12140025431 is 13452004121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13452004121 = 307 ⋅43817603.

It is a cyclic number.

It is not a de Polignac number, because 12140025431 - 2¹⁴ = 12140009047 is a prime.

It is a super-2 number, since 2×12140025431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12140025397 and 12140025406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140025451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357059555 + ... + 357059588.

It is an arithmetic number, because the mean of its divisors is an integer number (3213536148).

Almost surely, 2^12140025431 is an apocalyptic number.

12140025431 is a deficient number, since it is larger than the sum of its proper divisors (714119161).

12140025431 is an equidigital number, since it uses as much as digits as its factorization.

12140025431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714119160.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12140025431 its reverse (13452004121), we get a palindrome (25592029552).

The spelling of 12140025431 in words is "twelve billion, one hundred forty million, twenty-five thousand, four hundred thirty-one".