1218313734030 has 64 divisors (see below), whose sum is σ = 3249299128320. Its totient is φ = 324837412128.

The previous prime is 1218313734019. The next prime is 1218313734031. The reversal of 1218313734030 is 304373138121.

1218313734030 is a `hidden beast` number, since 1 + 2 + 183 + 1 + 3 + 73 + 403 + 0 = 666.

It is a super-2 number, since 2×1218313734030² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218313734031) 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 31 ways as a sum of consecutive naturals, for example, 1600179 + ... + 2235441.

It is an arithmetic number, because the mean of its divisors is an integer number (50770298880).

Almost surely, 2^{1218313734030} is an apocalyptic number.

1218313734030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1218313734030 is an abundant number, since it is smaller than the sum of its proper divisors (2030985394290).

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

1218313734030 is a wasteful number, since it uses less digits than its factorization.

1218313734030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642382 (or 642376 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 1218313734030 in words is "one trillion, two hundred eighteen billion, three hundred thirteen million, seven hundred thirty-four thousand, thirty".