4120012042420 has 24 divisors (see below), whose sum is σ = 8669791275264. Its totient is φ = 1644620819616.

The previous prime is 4120012042369. The next prime is 4120012042439. The reversal of 4120012042420 is 242402100214.

It is a junction number, because it is equal to n+sod(n) for n = 4120012042391 and 4120012042400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211489852 + ... + 211509331.

It is an arithmetic number, because the mean of its divisors is an integer number (361241303136).

Almost surely, 2^{4120012042420} is an apocalyptic number.

It is an amenable number.

4120012042420 is an abundant number, since it is smaller than the sum of its proper divisors (4549779232844).

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

4120012042420 is a wasteful number, since it uses less digits than its factorization.

4120012042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422999679 (or 422999677 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 4120012042420 its reverse (242402100214), we get a palindrome (4362414142634).

The spelling of 4120012042420 in words is "four trillion, one hundred twenty billion, twelve million, forty-two thousand, four hundred twenty".