12212180355 has 32 divisors (see below), whose sum is σ = 19641242880. Its totient is φ = 6479312000.

The previous prime is 12212180353. The next prime is 12212180359. The reversal of 12212180355 is 55308121221.

It is not a de Polignac number, because 12212180355 - 2¹ = 12212180353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212180353) 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, 4377301 + ... + 4380089.

It is an arithmetic number, because the mean of its divisors is an integer number (613788840).

Almost surely, 2^12212180355 is an apocalyptic number.

12212180355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12212180355 is a deficient number, since it is larger than the sum of its proper divisors (7429062525).

12212180355 is a wasteful number, since it uses less digits than its factorization.

12212180355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 12212180355 in words is "twelve billion, two hundred twelve million, one hundred eighty thousand, three hundred fifty-five".