1218470212 has 24 divisors (see below), whose sum is σ = 2198762496. Its totient is φ = 590529888.

The previous prime is 1218470207. The next prime is 1218470237. The reversal of 1218470212 is 2120748121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17028 + ... + 52219.

It is an arithmetic number, because the mean of its divisors is an integer number (91615104).

Almost surely, 2^1218470212 is an apocalyptic number.

It is an amenable number.

1218470212 is a deficient number, since it is larger than the sum of its proper divisors (980292284).

1218470212 is a wasteful number, since it uses less digits than its factorization.

1218470212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69387 (or 69385 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1218470212 is about 34906.5926724451. The cubic root of 1218470212 is about 1068.0829247754.

The spelling of 1218470212 in words is "one billion, two hundred eighteen million, four hundred seventy thousand, two hundred twelve".