1218027031063 has 4 divisors (see below), whose sum is σ = 1221706871368. Its totient is φ = 1214347190760.

The previous prime is 1218027031049. The next prime is 1218027031157. The reversal of 1218027031063 is 3601307208121.

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

It is a cyclic number.

It is not a de Polignac number, because 1218027031063 - 2⁵ = 1218027031031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218027011063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1839919656 + ... + 1839920317.

It is an arithmetic number, because the mean of its divisors is an integer number (305426717842).

Almost surely, 2^{1218027031063} is an apocalyptic number.

1218027031063 is a deficient number, since it is larger than the sum of its proper divisors (3679840305).

1218027031063 is an equidigital number, since it uses as much as digits as its factorization.

1218027031063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679840304.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 1218027031063 in words is "one trillion, two hundred eighteen billion, twenty-seven million, thirty-one thousand, sixty-three".