1212003002203 has 12 divisors (see below), whose sum is σ = 1410669228720. Its totient is φ = 1038278948112.

The previous prime is 1212003002183. The next prime is 1212003002207. The reversal of 1212003002203 is 3022003002121.

It is not a de Polignac number, because 1212003002203 - 2²⁵ = 1211969447771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212003002207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6825351 + ... + 7000672.

It is an arithmetic number, because the mean of its divisors is an integer number (117555769060).

Almost surely, 2^{1212003002203} is an apocalyptic number.

1212003002203 is a deficient number, since it is larger than the sum of its proper divisors (198666226517).

1212003002203 is a wasteful number, since it uses less digits than its factorization.

1212003002203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13827826 (or 13827819 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1212003002203 its reverse (3022003002121), we get a palindrome (4234006004324).

The spelling of 1212003002203 in words is "one trillion, two hundred twelve billion, three million, two thousand, two hundred three".