142412204323421 has 8 divisors (see below), whose sum is σ = 150790655399544. Its totient is φ = 134033893534720.

The previous prime is 142412204323397. The next prime is 142412204323511. The reversal of 142412204323421 is 124323402214241.

142412204323421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46477133647396 + 95935070676025 = 6817414^2 + 9794645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142412204323421 - 2¹⁸ = 142412204061277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142412204323321) 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, 32978270 + ... + 37045791.

It is an arithmetic number, because the mean of its divisors is an integer number (18848831924943).

Almost surely, 2^{142412204323421} is an apocalyptic number.

It is an amenable number.

142412204323421 is a deficient number, since it is larger than the sum of its proper divisors (8378451076123).

142412204323421 is a wasteful number, since it uses less digits than its factorization.

142412204323421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70143711.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 142412204323421 its reverse (124323402214241), we get a palindrome (266735606537662).

The spelling of 142412204323421 in words is "one hundred forty-two trillion, four hundred twelve billion, two hundred four million, three hundred twenty-three thousand, four hundred twenty-one".