42000312341421 has 12 divisors (see below), whose sum is σ = 69333848944672. Its totient is φ = 24000178480776.

The previous prime is 42000312341381. The next prime is 42000312341431. The reversal of 42000312341421 is 12414321300024.

42000312341421 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 0 + 3 + 1 + 234 + 1 + 421 = 666.

It is not a de Polignac number, because 42000312341421 - 2¹¹ = 42000312339373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000312341431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 333335812171 + ... + 333335812296.

Almost surely, 2^{42000312341421} is an apocalyptic number.

It is an amenable number.

42000312341421 is a deficient number, since it is larger than the sum of its proper divisors (27333536603251).

42000312341421 is a wasteful number, since it uses less digits than its factorization.

42000312341421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666671624480 (or 666671624477 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 42000312341421 its reverse (12414321300024), we get a palindrome (54414633641445).

The spelling of 42000312341421 in words is "forty-two trillion, three hundred twelve million, three hundred forty-one thousand, four hundred twenty-one".