142204424412 has 24 divisors (see below), whose sum is σ = 331843067136. Its totient is φ = 47396797168.

The previous prime is 142204424371. The next prime is 142204424413. The reversal of 142204424412 is 214424402241.

It is a self number, because there is not a number n which added to its sum of digits gives 142204424412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204424413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456918 + ... + 702269.

It is an arithmetic number, because the mean of its divisors is an integer number (13826794464).

Almost surely, 2^142204424412 is an apocalyptic number.

142204424412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142204424412 is an abundant number, since it is smaller than the sum of its proper divisors (189638642724).

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

142204424412 is a wasteful number, since it uses less digits than its factorization.

142204424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169417 (or 1169415 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 142204424412 its reverse (214424402241), we get a palindrome (356628826653).

The spelling of 142204424412 in words is "one hundred forty-two billion, two hundred four million, four hundred twenty-four thousand, four hundred twelve".