1243214043352 has 16 divisors (see below), whose sum is σ = 2331108752400. Its totient is φ = 621585042720.

The previous prime is 1243214043343. The next prime is 1243214043373. The reversal of 1243214043352 is 2533404123421.

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 in 3 ways as a sum of consecutive naturals, for example, 2505724 + ... + 2960587.

It is an arithmetic number, because the mean of its divisors is an integer number (145694297025).

Almost surely, 2^{1243214043352} is an apocalyptic number.

It is an amenable number.

1243214043352 is a deficient number, since it is larger than the sum of its proper divisors (1087894709048).

1243214043352 is a wasteful number, since it uses less digits than its factorization.

1243214043352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494746 (or 5494742 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1243214043352 its reverse (2533404123421), we get a palindrome (3776618166773).

The spelling of 1243214043352 in words is "one trillion, two hundred forty-three billion, two hundred fourteen million, forty-three thousand, three hundred fifty-two".