1201220310233 has 4 divisors (see below), whose sum is σ = 1271880328500. Its totient is φ = 1130560291968.

The previous prime is 1201220310197. The next prime is 1201220310281. The reversal of 1201220310233 is 3320130221021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 940225001104 + 260995309129 = 969652^2 + 510877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201220310233 - 2¹⁴ = 1201220293849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201220310293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35330009108 + ... + 35330009141.

It is an arithmetic number, because the mean of its divisors is an integer number (317970082125).

Almost surely, 2^{1201220310233} is an apocalyptic number.

It is an amenable number.

1201220310233 is a deficient number, since it is larger than the sum of its proper divisors (70660018267).

1201220310233 is an equidigital number, since it uses as much as digits as its factorization.

1201220310233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70660018266.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1201220310233 its reverse (3320130221021), we get a palindrome (4521350531254).

The spelling of 1201220310233 in words is "one trillion, two hundred one billion, two hundred twenty million, three hundred ten thousand, two hundred thirty-three".