12034078442 has 4 divisors (see below), whose sum is σ = 18051117666. Its totient is φ = 6017039220.

The previous prime is 12034078403. The next prime is 12034078471. The reversal of 12034078442 is 24487043021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24487043021 = 7 ⋅3498149003.

It can be written as a sum of positive squares in only one way, i.e., 7223130121 + 4810948321 = 84989^2 + 69361^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3008519609 + ... + 3008519612.

Almost surely, 2^12034078442 is an apocalyptic number.

12034078442 is a deficient number, since it is larger than the sum of its proper divisors (6017039224).

12034078442 is an equidigital number, since it uses as much as digits as its factorization.

12034078442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017039223.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 12034078442 in words is "twelve billion, thirty-four million, seventy-eight thousand, four hundred forty-two".