1213443114647 has 8 divisors (see below), whose sum is σ = 1266213078144. Its totient is φ = 1160674115128.

The previous prime is 1213443114617. The next prime is 1213443114677. The reversal of 1213443114647 is 7464113443121.

It is an interprime number because it is at equal distance from previous prime (1213443114617) and next prime (1213443114677).

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 1213443114647 - 2⁴⁰ = 113931486871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213443114617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3708968 + ... + 4022850.

It is an arithmetic number, because the mean of its divisors is an integer number (158276634768).

Almost surely, 2^{1213443114647} is an apocalyptic number.

1213443114647 is a deficient number, since it is larger than the sum of its proper divisors (52769963497).

1213443114647 is a wasteful number, since it uses less digits than its factorization.

1213443114647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481989.

The product of its digits is 193536, while the sum is 41.

Adding to 1213443114647 its reverse (7464113443121), we get a palindrome (8677556557768).

The spelling of 1213443114647 in words is "one trillion, two hundred thirteen billion, four hundred forty-three million, one hundred fourteen thousand, six hundred forty-seven".