1201200212201 has 6 divisors (see below), whose sum is σ = 1320327506106. Its totient is φ = 1092000192800.

The previous prime is 1201200212167. The next prime is 1201200212207. The reversal of 1201200212201 is 1022120021021.

It can be written as a sum of positive squares in only one way, i.e., 997799212201 + 203401000000 = 998899^2 + 451000^2 .

It is not a de Polignac number, because 1201200212201 - 2²² = 1201196017897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201200212207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4963637120 + ... + 4963637361.

It is an arithmetic number, because the mean of its divisors is an integer number (220054584351).

Almost surely, 2^{1201200212201} is an apocalyptic number.

1201200212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1201200212201 is a deficient number, since it is larger than the sum of its proper divisors (119127293905).

1201200212201 is an equidigital number, since it uses as much as digits as its factorization.

1201200212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9927274503 (or 9927274492 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1201200212201 its reverse (1022120021021), we get a palindrome (2223320233222).

The spelling of 1201200212201 in words is "one trillion, two hundred one billion, two hundred million, two hundred twelve thousand, two hundred one".