12405057426742 has 16 divisors (see below), whose sum is σ = 19132290072000. Its totient is φ = 6028752170560.

The previous prime is 12405057426731. The next prime is 12405057426743. The reversal of 12405057426742 is 24762475050421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12405057426743) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 281169742 + ... + 281213857.

It is an arithmetic number, because the mean of its divisors is an integer number (1195768129500).

Almost surely, 2^{12405057426742} is an apocalyptic number.

12405057426742 is a deficient number, since it is larger than the sum of its proper divisors (6727232645258).

12405057426742 is a wasteful number, since it uses less digits than its factorization.

12405057426742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562383911.

The product of its (nonzero) digits is 3763200, while the sum is 49.

The spelling of 12405057426742 in words is "twelve trillion, four hundred five billion, fifty-seven million, four hundred twenty-six thousand, seven hundred forty-two".