42021412030043 has 4 divisors (see below), whose sum is σ = 42021796279008. Its totient is φ = 42021027781080.

The previous prime is 42021412029991. The next prime is 42021412030093. The reversal of 42021412030043 is 34003021412024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42021412030043 - 2¹⁰ = 42021412029019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42021412029994 and 42021412030021.

It is not an unprimeable number, because it can be changed into a prime (42021412030093) 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, 191960396 + ... + 192179177.

It is an arithmetic number, because the mean of its divisors is an integer number (10505449069752).

Almost surely, 2^{42021412030043} is an apocalyptic number.

42021412030043 is a deficient number, since it is larger than the sum of its proper divisors (384248965).

42021412030043 is a wasteful number, since it uses less digits than its factorization.

42021412030043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384248964.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 42021412030043 its reverse (34003021412024), we get a palindrome (76024433442067).

The spelling of 42021412030043 in words is "forty-two trillion, twenty-one billion, four hundred twelve million, thirty thousand, forty-three".