42012221024 has 24 divisors (see below), whose sum is σ = 82717080768. Its totient is φ = 21004708480.

The previous prime is 42012221011. The next prime is 42012221063.

42012221024 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 42012220987 and 42012221005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579569 + ... + 648015.

It is an arithmetic number, because the mean of its divisors is an integer number (3446545032).

Almost surely, 2^42012221024 is an apocalyptic number.

It is an amenable number.

42012221024 is a deficient number, since it is larger than the sum of its proper divisors (40704859744).

42012221024 is a wasteful number, since it uses less digits than its factorization.

42012221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87638 (or 87630 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The spelling of 42012221024 in words is "forty-two billion, twelve million, two hundred twenty-one thousand, twenty-four".