42020200123100 has 18 divisors (see below), whose sum is σ = 91183834267344. Its totient is φ = 16808080049200.

The previous prime is 42020200123091. The next prime is 42020200123171. The reversal of 42020200123100 is 132100202024.

42020200123100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42020200123100² (a number of 28 digits) contains 22 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 (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210101000516 + ... + 210101000715.

It is an arithmetic number, because the mean of its divisors is an integer number (5065768570408).

Almost surely, 2^{42020200123100} is an apocalyptic number.

It is an amenable number.

42020200123100 is an abundant number, since it is smaller than the sum of its proper divisors (49163634144244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42020200123100 is a wasteful number, since it uses less digits than its factorization.

42020200123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420202001245 (or 420202001238 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 42020200123100 its reverse (132100202024), we get a palindrome (42152300325124).

The spelling of 42020200123100 in words is "forty-two trillion, twenty billion, two hundred million, one hundred twenty-three thousand, one hundred".