42100411122012 has 12 divisors (see below), whose sum is σ = 98234292618056. Its totient is φ = 14033470374000.

The previous prime is 42100411122001. The next prime is 42100411122013. The reversal of 42100411122012 is 21022111400124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42100411122012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100411122013) by changing a digit.

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, 1754183796739 + ... + 1754183796762.

Almost surely, 2^{42100411122012} is an apocalyptic number.

It is an amenable number.

42100411122012 is an abundant number, since it is smaller than the sum of its proper divisors (56133881496044).

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

42100411122012 is a wasteful number, since it uses less digits than its factorization.

42100411122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3508367593508 (or 3508367593506 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 42100411122012 its reverse (21022111400124), we get a palindrome (63122522522136).

The spelling of 42100411122012 in words is "forty-two trillion, one hundred billion, four hundred eleven million, one hundred twenty-two thousand, twelve".