201224142443 has 8 divisors (see below), whose sum is σ = 201461147136. Its totient is φ = 200987248000.

The previous prime is 201224142401. The next prime is 201224142461. The reversal of 201224142443 is 344241422102.

It is a happy number.

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 201224142443 - 2³⁶ = 132504665707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201224142643) 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, 3958355 + ... + 4008867.

It is an arithmetic number, because the mean of its divisors is an integer number (25182643392).

Almost surely, 2^201224142443 is an apocalyptic number.

201224142443 is a deficient number, since it is larger than the sum of its proper divisors (237004693).

201224142443 is a wasteful number, since it uses less digits than its factorization.

201224142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55125.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 201224142443 its reverse (344241422102), we get a palindrome (545465564545).

The spelling of 201224142443 in words is "two hundred one billion, two hundred twenty-four million, one hundred forty-two thousand, four hundred forty-three".