12002212122220 has 48 divisors (see below), whose sum is σ = 25488532681920. Its totient is φ = 4746814009344.

The previous prime is 12002212122217. The next prime is 12002212122223. The reversal of 12002212122220 is 2222121220021.

It is an interprime number because it is at equal distance from previous prime (12002212122217) and next prime (12002212122223).

It is not an unprimeable number, because it can be changed into a prime (12002212122223) 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, 91795132 + ... + 91925788.

It is an arithmetic number, because the mean of its divisors is an integer number (531011097540).

Almost surely, 2^{12002212122220} is an apocalyptic number.

12002212122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002212122220 is an abundant number, since it is smaller than the sum of its proper divisors (13486320559700).

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

12002212122220 is a wasteful number, since it uses less digits than its factorization.

12002212122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182362 (or 182360 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12002212122220 its reverse (2222121220021), we get a palindrome (14224333342241).

The spelling of 12002212122220 in words is "twelve trillion, two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty".