42720213124092 has 24 divisors (see below), whose sum is σ = 113920568331136. Its totient is φ = 12205775178288.

The previous prime is 42720213124067. The next prime is 42720213124093. The reversal of 42720213124092 is 29042131202724.

It is a happy number.

42720213124092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42720213124092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42720213124093) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 254286982798 + ... + 254286982965.

Almost surely, 2^{42720213124092} is an apocalyptic number.

42720213124092 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42720213124092 is an abundant number, since it is smaller than the sum of its proper divisors (71200355207044).

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

42720213124092 is a wasteful number, since it uses less digits than its factorization.

42720213124092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508573965777 (or 508573965775 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 42720213124092 in words is "forty-two trillion, seven hundred twenty billion, two hundred thirteen million, one hundred twenty-four thousand, ninety-two".