14223442121242 has 4 divisors (see below), whose sum is σ = 21335163181866. Its totient is φ = 7111721060620.

The previous prime is 14223442121183. The next prime is 14223442121257. The reversal of 14223442121242 is 24212124432241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9536602483321 + 4686839637921 = 3088139^2 + 2164911^2 .

It is a super-2 number, since 2×14223442121242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14223442121198 and 14223442121207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3555860530309 + ... + 3555860530312.

Almost surely, 2^{14223442121242} is an apocalyptic number.

14223442121242 is a deficient number, since it is larger than the sum of its proper divisors (7111721060624).

14223442121242 is an equidigital number, since it uses as much as digits as its factorization.

14223442121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111721060623.

The product of its digits is 49152, while the sum is 34.

Adding to 14223442121242 its reverse (24212124432241), we get a palindrome (38435566553483).

The spelling of 14223442121242 in words is "fourteen trillion, two hundred twenty-three billion, four hundred forty-two million, one hundred twenty-one thousand, two hundred forty-two".