42201234133 has 4 divisors (see below), whose sum is σ = 42203536108. Its totient is φ = 42198932160.

The previous prime is 42201234121. The next prime is 42201234143. The reversal of 42201234133 is 33143210224.

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 26731596004 + 15469638129 = 163498^2 + 124377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42201234133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42201234098 and 42201234107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42201234143) 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, 1123266 + ... + 1160227.

It is an arithmetic number, because the mean of its divisors is an integer number (10550884027).

Almost surely, 2^42201234133 is an apocalyptic number.

It is an amenable number.

42201234133 is a deficient number, since it is larger than the sum of its proper divisors (2301975).

42201234133 is a wasteful number, since it uses less digits than its factorization.

42201234133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301974.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42201234133 its reverse (33143210224), we get a palindrome (75344444357).

The spelling of 42201234133 in words is "forty-two billion, two hundred one million, two hundred thirty-four thousand, one hundred thirty-three".