12218877070 has 32 divisors (see below), whose sum is σ = 22378245120. Its totient is φ = 4802747040.

The previous prime is 12218877059. The next prime is 12218877071. The reversal of 12218877070 is 7077881221.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12218877071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130039 + ... + 203341.

It is an arithmetic number, because the mean of its divisors is an integer number (699320160).

Almost surely, 2^12218877070 is an apocalyptic number.

12218877070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12218877070 is a deficient number, since it is larger than the sum of its proper divisors (10159368050).

12218877070 is a wasteful number, since it uses less digits than its factorization.

12218877070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73600.

The product of its (nonzero) digits is 87808, while the sum is 43.

The spelling of 12218877070 in words is "twelve billion, two hundred eighteen million, eight hundred seventy-seven thousand, seventy".