42412333321121 has 4 divisors (see below), whose sum is σ = 42682475571732. Its totient is φ = 42142191070512.

The previous prime is 42412333321103. The next prime is 42412333321133. The reversal of 42412333321121 is 12112333321424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9550077702400 + 32862255618721 = 3090320^2 + 5732561^2 .

It is a cyclic number.

It is not a de Polignac number, because 42412333321121 - 2³⁸ = 42137455414177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42412333321181) 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, 135071125070 + ... + 135071125383.

It is an arithmetic number, because the mean of its divisors is an integer number (10670618892933).

Almost surely, 2^{42412333321121} is an apocalyptic number.

It is an amenable number.

42412333321121 is a deficient number, since it is larger than the sum of its proper divisors (270142250611).

42412333321121 is a wasteful number, since it uses less digits than its factorization.

42412333321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270142250610.

The product of its digits is 20736, while the sum is 32.

Adding to 42412333321121 its reverse (12112333321424), we get a palindrome (54524666642545).

The spelling of 42412333321121 in words is "forty-two trillion, four hundred twelve billion, three hundred thirty-three million, three hundred twenty-one thousand, one hundred twenty-one".