12002202122220 has 36 divisors (see below), whose sum is σ = 36406679771280. Its totient is φ = 3200587232544.

The previous prime is 12002202122219. The next prime is 12002202122221. The reversal of 12002202122220 is 2222120220021.

12002202122220 is a `hidden beast` number, since 1 + 200 + 220 + 2 + 1 + 22 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (12002202122219) and next prime (12002202122221).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12002202122193 and 12002202122202.

It is not an unprimeable number, because it can be changed into a prime (12002202122221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33339450160 + ... + 33339450519.

Almost surely, 2^{12002202122220} is an apocalyptic number.

12002202122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002202122220 is an abundant number, since it is smaller than the sum of its proper divisors (24404477649060).

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

12002202122220 is a wasteful number, since it uses less digits than its factorization.

12002202122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66678900694 (or 66678900689 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12002202122220 its reverse (2222120220021), we get a palindrome (14224322342241).

The spelling of 12002202122220 in words is "twelve trillion, two billion, two hundred two million, one hundred twenty-two thousand, two hundred twenty".