42143342312 has 64 divisors (see below), whose sum is σ = 88879032000. Its totient is φ = 18615868416.

The previous prime is 42143342299. The next prime is 42143342317. The reversal of 42143342312 is 21324334124.

It is a super-2 number, since 2×42143342312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42143342317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206843 + ... + 356469.

It is an arithmetic number, because the mean of its divisors is an integer number (1388734875).

Almost surely, 2^42143342312 is an apocalyptic number.

It is an amenable number.

42143342312 is an abundant number, since it is smaller than the sum of its proper divisors (46735689688).

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

42143342312 is a wasteful number, since it uses less digits than its factorization.

42143342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149778 (or 149774 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 42143342312 its reverse (21324334124), we get a palindrome (63467676436).

The spelling of 42143342312 in words is "forty-two billion, one hundred forty-three million, three hundred forty-two thousand, three hundred twelve".