1203240312211 has 12 divisors (see below), whose sum is σ = 1399706458392. Its totient is φ = 1031335024608.

The previous prime is 1203240312199. The next prime is 1203240312217. The reversal of 1203240312211 is 1122130423021.

It is not a de Polignac number, because 1203240312211 - 2⁵ = 1203240312179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203240312217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5505916 + ... + 5720278.

It is an arithmetic number, because the mean of its divisors is an integer number (116642204866).

Almost surely, 2^{1203240312211} is an apocalyptic number.

1203240312211 is a deficient number, since it is larger than the sum of its proper divisors (196466146181).

1203240312211 is a wasteful number, since it uses less digits than its factorization.

1203240312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328930 (or 328923 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1203240312211 its reverse (1122130423021), we get a palindrome (2325370735232).

The spelling of 1203240312211 in words is "one trillion, two hundred three billion, two hundred forty million, three hundred twelve thousand, two hundred eleven".