1123201213203 has 8 divisors (see below), whose sum is σ = 1497801941968. Its totient is φ = 748700646624.

The previous prime is 1123201213159. The next prime is 1123201213237. The reversal of 1123201213203 is 3023121023211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1123201213203 - 2¹² = 1123201209107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123201213203.

It is not an unprimeable number, because it can be changed into a prime (1123201213273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25014376 + ... + 25059237.

It is an arithmetic number, because the mean of its divisors is an integer number (187225242746).

Almost surely, 2^{1123201213203} is an apocalyptic number.

1123201213203 is a deficient number, since it is larger than the sum of its proper divisors (374600728765).

1123201213203 is an equidigital number, since it uses as much as digits as its factorization.

1123201213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50081093.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1123201213203 its reverse (3023121023211), we get a palindrome (4146322236414).

The spelling of 1123201213203 in words is "one trillion, one hundred twenty-three billion, two hundred one million, two hundred thirteen thousand, two hundred three".