4122420205405 has 32 divisors (see below), whose sum is σ = 5415717479040. Its totient is φ = 3001672961280.

The previous prime is 4122420205313. The next prime is 4122420205637. The reversal of 4122420205405 is 5045020242214.

It is not a de Polignac number, because 4122420205405 - 2³¹ = 4120272721757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8022622 + ... + 8520991.

It is an arithmetic number, because the mean of its divisors is an integer number (169241171220).

Almost surely, 2^{4122420205405} is an apocalyptic number.

It is an amenable number.

4122420205405 is a deficient number, since it is larger than the sum of its proper divisors (1293297273635).

4122420205405 is a wasteful number, since it uses less digits than its factorization.

4122420205405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16543741.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 4122420205405 its reverse (5045020242214), we get a palindrome (9167440447619).

The spelling of 4122420205405 in words is "four trillion, one hundred twenty-two billion, four hundred twenty million, two hundred five thousand, four hundred five".