12202011001220 has 24 divisors (see below), whose sum is σ = 26249204155608. Its totient is φ = 4761760390400.

The previous prime is 12202011001217. The next prime is 12202011001223. The reversal of 12202011001220 is 2210011020221.

It is an interprime number because it is at equal distance from previous prime (12202011001217) and next prime (12202011001223).

It can be written as a sum of positive squares in 4 ways, for example, as 73215701056 + 12128795300164 = 270584^2 + 3482642^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12202011001195 and 12202011001204.

It is not an unprimeable number, because it can be changed into a prime (12202011001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7440249791 + ... + 7440251430.

It is an arithmetic number, because the mean of its divisors is an integer number (1093716839817).

Almost surely, 2^{12202011001220} is an apocalyptic number.

12202011001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202011001220 is an abundant number, since it is smaller than the sum of its proper divisors (14047193154388).

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

12202011001220 is a wasteful number, since it uses less digits than its factorization.

12202011001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880501271 (or 14880501269 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202011001220 its reverse (2210011020221), we get a palindrome (14412022021441).

The spelling of 12202011001220 in words is "twelve trillion, two hundred two billion, eleven million, one thousand, two hundred twenty".