42421120412 has 72 divisors (see below), whose sum is σ = 87892358400. Its totient is φ = 17842476960.

The previous prime is 42421120387. The next prime is 42421120421. The reversal of 42421120412 is 21402112424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341789 + ... + 449067.

It is an arithmetic number, because the mean of its divisors is an integer number (1220727200).

Almost surely, 2^42421120412 is an apocalyptic number.

It is an amenable number.

42421120412 is an abundant number, since it is smaller than the sum of its proper divisors (45471237988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42421120412 is a wasteful number, since it uses less digits than its factorization.

42421120412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107367 (or 107354 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 42421120412 its reverse (21402112424), we get a palindrome (63823232836).

The spelling of 42421120412 in words is "forty-two billion, four hundred twenty-one million, one hundred twenty thousand, four hundred twelve".