1203120221301 has 6 divisors (see below), whose sum is σ = 1737840319670. Its totient is φ = 802080147528.

The previous prime is 1203120221279. The next prime is 1203120221321. The reversal of 1203120221301 is 1031220213021.

1203120221301 is a `hidden beast` number, since 1 + 20 + 3 + 120 + 221 + 301 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1169804480625 + 33315740676 = 1081575^2 + 182526^2 .

It is not a de Polignac number, because 1203120221301 - 2²¹ = 1203118124149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203120221321) 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, 66840012286 + ... + 66840012303.

Almost surely, 2^{1203120221301} is an apocalyptic number.

It is an amenable number.

1203120221301 is a deficient number, since it is larger than the sum of its proper divisors (534720098369).

1203120221301 is a wasteful number, since it uses less digits than its factorization.

1203120221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133680024595 (or 133680024592 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1203120221301 its reverse (1031220213021), we get a palindrome (2234340434322).

The spelling of 1203120221301 in words is "one trillion, two hundred three billion, one hundred twenty million, two hundred twenty-one thousand, three hundred one".