1213343320502 has 4 divisors (see below), whose sum is σ = 1820014980756. Its totient is φ = 606671660250.

The previous prime is 1213343320487. The next prime is 1213343320523. The reversal of 1213343320502 is 2050233433121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1213343320502³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

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, 303335830124 + ... + 303335830127.

It is an arithmetic number, because the mean of its divisors is an integer number (455003745189).

Almost surely, 2^{1213343320502} is an apocalyptic number.

1213343320502 is a deficient number, since it is larger than the sum of its proper divisors (606671660254).

1213343320502 is an equidigital number, since it uses as much as digits as its factorization.

1213343320502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606671660253.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 1213343320502 its reverse (2050233433121), we get a palindrome (3263576753623).

The spelling of 1213343320502 in words is "one trillion, two hundred thirteen billion, three hundred forty-three million, three hundred twenty thousand, five hundred two".