42012102412 has 24 divisors (see below), whose sum is σ = 84685819904. Its totient is φ = 17863412112.

The previous prime is 42012102401. The next prime is 42012102437. The reversal of 42012102412 is 21420121024.

It is a self number, because there is not a number n which added to its sum of digits gives 42012102412.

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 7 ways as a sum of consecutive naturals, for example, 5903658 + ... + 5910769.

Almost surely, 2^42012102412 is an apocalyptic number.

It is an amenable number.

42012102412 is an abundant number, since it is smaller than the sum of its proper divisors (42673717492).

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

42012102412 is a wasteful number, since it uses less digits than its factorization.

42012102412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11814565 (or 11814563 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 42012102412 its reverse (21420121024), we get a palindrome (63432223436).

The spelling of 42012102412 in words is "forty-two billion, twelve million, one hundred two thousand, four hundred twelve".