42120342022204 has 6 divisors (see below), whose sum is σ = 73710598538864. Its totient is φ = 21060171011100.

The previous prime is 42120342022169. The next prime is 42120342022237. The reversal of 42120342022204 is 40222024302124.

It is a happy number.

It is a super-3 number, since 3×42120342022204³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5265042752772 + ... + 5265042752779.

Almost surely, 2^{42120342022204} is an apocalyptic number.

It is an amenable number.

42120342022204 is a deficient number, since it is larger than the sum of its proper divisors (31590256516660).

42120342022204 is a wasteful number, since it uses less digits than its factorization.

42120342022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10530085505555 (or 10530085505553 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 42120342022204 its reverse (40222024302124), we get a palindrome (82342366324328).

The spelling of 42120342022204 in words is "forty-two trillion, one hundred twenty billion, three hundred forty-two million, twenty-two thousand, two hundred four".