1200221220201 has 8 divisors (see below), whose sum is σ = 1600866301344. Its totient is φ = 799861809600.

The previous prime is 1200221220059. The next prime is 1200221220227. The reversal of 1200221220201 is 1020221220021.

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

It is not a de Polignac number, because 1200221220201 - 2¹³ = 1200221212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200221221201) 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, 71407831 + ... + 71424636.

It is an arithmetic number, because the mean of its divisors is an integer number (200108287668).

Almost surely, 2^{1200221220201} is an apocalyptic number.

It is an amenable number.

1200221220201 is a deficient number, since it is larger than the sum of its proper divisors (400645081143).

1200221220201 is a wasteful number, since it uses less digits than its factorization.

1200221220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142835271.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1200221220201 its reverse (1020221220021), we get a palindrome (2220442440222).

The spelling of 1200221220201 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty thousand, two hundred one".