142204120022 has 8 divisors (see below), whose sum is σ = 213308379072. Its totient is φ = 71101327000.

The previous prime is 142204120007. The next prime is 142204120103. The reversal of 142204120022 is 220021402241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142204119976 and 142204120003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78854 + ... + 539097.

It is an arithmetic number, because the mean of its divisors is an integer number (26663547384).

Almost surely, 2^142204120022 is an apocalyptic number.

142204120022 is a deficient number, since it is larger than the sum of its proper divisors (71104259050).

142204120022 is a wasteful number, since it uses less digits than its factorization.

142204120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733014.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 142204120022 its reverse (220021402241), we get a palindrome (362225522263).

The spelling of 142204120022 in words is "one hundred forty-two billion, two hundred four million, one hundred twenty thousand, twenty-two".