1218088112 has 20 divisors (see below), whose sum is σ = 2375889600. Its totient is φ = 604955328.

The previous prime is 1218088061. The next prime is 1218088121. The reversal of 1218088112 is 2118808121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253088 + ... + 257855.

It is an arithmetic number, because the mean of its divisors is an integer number (118794480).

Almost surely, 2^1218088112 is an apocalyptic number.

It is an amenable number.

1218088112 is a deficient number, since it is larger than the sum of its proper divisors (1157801488).

1218088112 is a wasteful number, since it uses less digits than its factorization.

1218088112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511100 (or 511094 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 32.

The square root of 1218088112 is about 34901.1190651532. The cubic root of 1218088112 is about 1067.9712664164.

The spelling of 1218088112 in words is "one billion, two hundred eighteen million, eighty-eight thousand, one hundred twelve".