12216882723270 has 32 divisors (see below), whose sum is σ = 29324761620480. Its totient is φ = 3257363939040.

The previous prime is 12216882723223. The next prime is 12216882723293. The reversal of 12216882723270 is 7232728861221.

It is a happy number.

It is a super-2 number, since 2×12216882723270² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29255080 + ... + 29669739.

It is an arithmetic number, because the mean of its divisors is an integer number (916398800640).

Almost surely, 2^{12216882723270} is an apocalyptic number.

12216882723270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12216882723270 is an abundant number, since it is smaller than the sum of its proper divisors (17107878897210).

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

12216882723270 is a wasteful number, since it uses less digits than its factorization.

12216882723270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58931740.

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 12216882723270 in words is "twelve trillion, two hundred sixteen billion, eight hundred eighty-two million, seven hundred twenty-three thousand, two hundred seventy".