1213203003212 has 6 divisors (see below), whose sum is σ = 2123105255628. Its totient is φ = 606601501604.

The previous prime is 1213203003151. The next prime is 1213203003277. The reversal of 1213203003212 is 2123003023121.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 151650375398 + ... + 151650375405.

It is an arithmetic number, because the mean of its divisors is an integer number (353850875938).

Almost surely, 2^{1213203003212} is an apocalyptic number.

It is an amenable number.

1213203003212 is a deficient number, since it is larger than the sum of its proper divisors (909902252416).

1213203003212 is a wasteful number, since it uses less digits than its factorization.

1213203003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303300750807 (or 303300750805 counting only the distinct ones).

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

Adding to 1213203003212 its reverse (2123003023121), we get a palindrome (3336206026333).

The spelling of 1213203003212 in words is "one trillion, two hundred thirteen billion, two hundred three million, three thousand, two hundred twelve".