1213443114643 has 8 divisors (see below), whose sum is σ = 1219694314608. Its totient is φ = 1207192840224.

The previous prime is 1213443114617. The next prime is 1213443114677. The reversal of 1213443114643 is 3464113443121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213443114643 - 2¹³ = 1213443106451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213443114613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2479005 + ... + 2927857.

It is an arithmetic number, because the mean of its divisors is an integer number (152461789326).

Almost surely, 2^{1213443114643} is an apocalyptic number.

1213443114643 is a deficient number, since it is larger than the sum of its proper divisors (6251199965).

1213443114643 is a wasteful number, since it uses less digits than its factorization.

1213443114643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462773.

The product of its digits is 82944, while the sum is 37.

Adding to 1213443114643 its reverse (3464113443121), we get a palindrome (4677556557764).

The spelling of 1213443114643 in words is "one trillion, two hundred thirteen billion, four hundred forty-three million, one hundred fourteen thousand, six hundred forty-three".