42143320323312 has 80 divisors (see below), whose sum is σ = 118728990858240. Its totient is φ = 12803034007296.

The previous prime is 42143320323311. The next prime is 42143320323329. The reversal of 42143320323312 is 21332302334124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143320323311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427402428 + ... + 427501019.

It is an arithmetic number, because the mean of its divisors is an integer number (1484112385728).

Almost surely, 2^{42143320323312} is an apocalyptic number.

It is an amenable number.

42143320323312 is an abundant number, since it is smaller than the sum of its proper divisors (76585670534928).

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

42143320323312 is a wasteful number, since it uses less digits than its factorization.

42143320323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854903550 (or 854903544 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 42143320323312 its reverse (21332302334124), we get a palindrome (63475622657436).

The spelling of 42143320323312 in words is "forty-two trillion, one hundred forty-three billion, three hundred twenty million, three hundred twenty-three thousand, three hundred twelve".