4042121201243 has 8 divisors (see below), whose sum is σ = 4051626450960. Its totient is φ = 4032626169600.

The previous prime is 4042121201233. The next prime is 4042121201249. The reversal of 4042121201243 is 3421021212404.

4042121201243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4042121201243 - 2⁶ = 4042121201179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042121201249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1762130 + ... + 3345047.

It is an arithmetic number, because the mean of its divisors is an integer number (506453306370).

Almost surely, 2^{4042121201243} is an apocalyptic number.

4042121201243 is a deficient number, since it is larger than the sum of its proper divisors (9505249717).

4042121201243 is a wasteful number, since it uses less digits than its factorization.

4042121201243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5109037.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4042121201243 its reverse (3421021212404), we get a palindrome (7463142413647).

The spelling of 4042121201243 in words is "four trillion, forty-two billion, one hundred twenty-one million, two hundred one thousand, two hundred forty-three".