1200441423201 has 4 divisors (see below), whose sum is σ = 1600588564272. Its totient is φ = 800294282132.

The previous prime is 1200441423151. The next prime is 1200441423221. The reversal of 1200441423201 is 1023241440021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200441423201 - 2¹⁹ = 1200440898913 is a prime.

It is a super-2 number, since 2×1200441423201² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1200441423221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200073570531 + ... + 200073570536.

It is an arithmetic number, because the mean of its divisors is an integer number (400147141068).

Almost surely, 2^{1200441423201} is an apocalyptic number.

It is an amenable number.

1200441423201 is a deficient number, since it is larger than the sum of its proper divisors (400147141071).

1200441423201 is an equidigital number, since it uses as much as digits as its factorization.

1200441423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400147141070.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1200441423201 its reverse (1023241440021), we get a palindrome (2223682863222).

The spelling of 1200441423201 in words is "one trillion, two hundred billion, four hundred forty-one million, four hundred twenty-three thousand, two hundred one".