1200022120201 has 8 divisors (see below), whose sum is σ = 1213721145000. Its totient is φ = 1186327887360.

The previous prime is 1200022120169. The next prime is 1200022120223. The reversal of 1200022120201 is 1020212200021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 427774862025 + 772247258176 = 654045^2 + 878776^2 .

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 1200022120201 - 2⁵ = 1200022120169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200022120261) 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, 693076 + ... + 1697173.

It is an arithmetic number, because the mean of its divisors is an integer number (151715143125).

Almost surely, 2^{1200022120201} is an apocalyptic number.

It is an amenable number.

1200022120201 is a deficient number, since it is larger than the sum of its proper divisors (13699024799).

1200022120201 is an equidigital number, since it uses as much as digits as its factorization.

1200022120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395979.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1200022120201 its reverse (1020212200021), we get a palindrome (2220234320222).

The spelling of 1200022120201 in words is "one trillion, two hundred billion, twenty-two million, one hundred twenty thousand, two hundred one".