1213254668689 has 16 divisors (see below), whose sum is σ = 1420511299200. Its totient is φ = 1035789342000.

The previous prime is 1213254668683. The next prime is 1213254668711. The reversal of 1213254668689 is 9868664523121.

It is not a de Polignac number, because 1213254668689 - 2¹⁷ = 1213254537617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213254668683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6960094 + ... + 7132279.

It is an arithmetic number, because the mean of its divisors is an integer number (88781956200).

Almost surely, 2^{1213254668689} is an apocalyptic number.

It is an amenable number.

1213254668689 is a deficient number, since it is larger than the sum of its proper divisors (207256630511).

1213254668689 is an equidigital number, since it uses as much as digits as its factorization.

1213254668689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092645 (or 14092631 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 61.

The spelling of 1213254668689 in words is "one trillion, two hundred thirteen billion, two hundred fifty-four million, six hundred sixty-eight thousand, six hundred eighty-nine".