1518212812998 has 16 divisors (see below), whose sum is σ = 3470200715520. Its totient is φ = 433775089416.

The previous prime is 1518212812993. The next prime is 1518212813009. The reversal of 1518212812998 is 8992182128151.

It is a super-3 number, since 3×1518212812998³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1518212812993) 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 7 ways as a sum of consecutive naturals, for example, 18073962018 + ... + 18073962101.

It is an arithmetic number, because the mean of its divisors is an integer number (216887544720).

Almost surely, 2^{1518212812998} is an apocalyptic number.

1518212812998 is an abundant number, since it is smaller than the sum of its proper divisors (1951987902522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1518212812998 is a wasteful number, since it uses less digits than its factorization.

1518212812998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36147924131.

The product of its digits is 1658880, while the sum is 57.

The spelling of 1518212812998 in words is "one trillion, five hundred eighteen billion, two hundred twelve million, eight hundred twelve thousand, nine hundred ninety-eight".