1203202103203 has 8 divisors (see below), whose sum is σ = 1231325379072. Its totient is φ = 1175183962056.

The previous prime is 1203202103197. The next prime is 1203202103239. The reversal of 1203202103203 is 3023012023021.

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

It is a cyclic number.

It is not a de Polignac number, because 1203202103203 - 2³³ = 1194612168611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203202103293) 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 7 ways as a sum of consecutive naturals, for example, 26260525 + ... + 26306302.

It is an arithmetic number, because the mean of its divisors is an integer number (153915672384).

Almost surely, 2^{1203202103203} is an apocalyptic number.

1203202103203 is a deficient number, since it is larger than the sum of its proper divisors (28123275869).

1203202103203 is an equidigital number, since it uses as much as digits as its factorization.

1203202103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52567361.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1203202103203 its reverse (3023012023021), we get a palindrome (4226214126224).

The spelling of 1203202103203 in words is "one trillion, two hundred three billion, two hundred two million, one hundred three thousand, two hundred three".