12140025442 has 8 divisors (see below), whose sum is σ = 18211119696. Its totient is φ = 6069652212.

The previous prime is 12140025323. The next prime is 12140025449. The reversal of 12140025442 is 24452004121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12140025449) 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, 135988 + ... + 206815.

It is an arithmetic number, because the mean of its divisors is an integer number (2276389962).

Almost surely, 2^12140025442 is an apocalyptic number.

12140025442 is a deficient number, since it is larger than the sum of its proper divisors (6071094254).

12140025442 is a wasteful number, since it uses less digits than its factorization.

12140025442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360512.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12140025442 its reverse (24452004121), we get a palindrome (36592029563).

The spelling of 12140025442 in words is "twelve billion, one hundred forty million, twenty-five thousand, four hundred forty-two".