42130025321121 has 12 divisors (see below), whose sum is σ = 61423214488272. Its totient is φ = 27824191177176.

The previous prime is 42130025321093. The next prime is 42130025321173. The reversal of 42130025321121 is 12112352003124.

It is a happy number.

42130025321121 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 0 + 0 + 2 + 532 + 1 + 121 = 666.

It is not a de Polignac number, because 42130025321121 - 2¹⁵ = 42130025288353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42130025321521) 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, 21874363171 + ... + 21874365096.

It is an arithmetic number, because the mean of its divisors is an integer number (5118601207356).

Almost surely, 2^{42130025321121} is an apocalyptic number.

It is an amenable number.

42130025321121 is a deficient number, since it is larger than the sum of its proper divisors (19293189167151).

42130025321121 is a wasteful number, since it uses less digits than its factorization.

42130025321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43748728380 (or 43748728377 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 42130025321121 its reverse (12112352003124), we get a palindrome (54242377324245).

The spelling of 42130025321121 in words is "forty-two trillion, one hundred thirty billion, twenty-five million, three hundred twenty-one thousand, one hundred twenty-one".