12140013442 has 32 divisors (see below), whose sum is σ = 18958281408. Its totient is φ = 5826110976.

The previous prime is 12140013419. The next prime is 12140013467. The reversal of 12140013442 is 24431004121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773258 + ... + 1780090.

It is an arithmetic number, because the mean of its divisors is an integer number (592446294).

Almost surely, 2^12140013442 is an apocalyptic number.

12140013442 is a deficient number, since it is larger than the sum of its proper divisors (6818267966).

12140013442 is a wasteful number, since it uses less digits than its factorization.

12140013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12140013442 its reverse (24431004121), we get a palindrome (36571017563).

The spelling of 12140013442 in words is "twelve billion, one hundred forty million, thirteen thousand, four hundred forty-two".