82421122112428 has 24 divisors (see below), whose sum is σ = 158405451296400. Its totient is φ = 37212709187520.

The previous prime is 82421122112411. The next prime is 82421122112449.

It is a happy number.

82421122112428 is nontrivially palindromic in base 10.

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, 6285924051 + ... + 6285937162.

It is an arithmetic number, because the mean of its divisors is an integer number (6600227137350).

Almost surely, 2^{82421122112428} is an apocalyptic number.

It is an amenable number.

82421122112428 is a deficient number, since it is larger than the sum of its proper divisors (75984329183972).

82421122112428 is a wasteful number, since it uses less digits than its factorization.

82421122112428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571861377 (or 12571861375 counting only the distinct ones).

The product of its digits is 65536, while the sum is 40.

The spelling of 82421122112428 in words is "eighty-two trillion, four hundred twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, four hundred twenty-eight".