42112211132444 has 12 divisors (see below), whose sum is σ = 73696431711000. Its totient is φ = 21056087786448.

The previous prime is 42112211132423. The next prime is 42112211132447. The reversal of 42112211132444 is 44423111221124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42112211132444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112211132447) 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, 1886282 + ... + 9369230.

It is an arithmetic number, because the mean of its divisors is an integer number (6141369309250).

Almost surely, 2^{42112211132444} is an apocalyptic number.

It is an amenable number.

42112211132444 is a deficient number, since it is larger than the sum of its proper divisors (31584220578556).

42112211132444 is a wasteful number, since it uses less digits than its factorization.

42112211132444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8889892 (or 8889890 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

Adding to 42112211132444 its reverse (44423111221124), we get a palindrome (86535322353568).

The spelling of 42112211132444 in words is "forty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred thirty-two thousand, four hundred forty-four".