1213403313224 has 16 divisors (see below), whose sum is σ = 2277639639600. Its totient is φ = 606032742672.

The previous prime is 1213403313169. The next prime is 1213403313251. The reversal of 1213403313224 is 4223133043121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83606534 + ... + 83621045.

It is an arithmetic number, because the mean of its divisors is an integer number (142352477475).

Almost surely, 2^{1213403313224} is an apocalyptic number.

It is an amenable number.

1213403313224 is a deficient number, since it is larger than the sum of its proper divisors (1064236326376).

1213403313224 is a wasteful number, since it uses less digits than its factorization.

1213403313224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167228492 (or 167228488 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1213403313224 its reverse (4223133043121), we get a palindrome (5436536356345).

The spelling of 1213403313224 in words is "one trillion, two hundred thirteen billion, four hundred three million, three hundred thirteen thousand, two hundred twenty-four".