42143120052 has 24 divisors (see below), whose sum is σ = 107273396832. Its totient is φ = 12770642400.

The previous prime is 42143120011. The next prime is 42143120053. The reversal of 42143120052 is 25002134124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143120053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159632899 + ... + 159633162.

It is an arithmetic number, because the mean of its divisors is an integer number (4469724868).

Almost surely, 2^42143120052 is an apocalyptic number.

It is an amenable number.

42143120052 is an abundant number, since it is smaller than the sum of its proper divisors (65130276780).

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

42143120052 is a wasteful number, since it uses less digits than its factorization.

42143120052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319266079 (or 319266077 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42143120052 its reverse (25002134124), we get a palindrome (67145254176).

The spelling of 42143120052 in words is "forty-two billion, one hundred forty-three million, one hundred twenty thousand, fifty-two".