12210201020 has 24 divisors (see below), whose sum is σ = 25656966384. Its totient is φ = 4881119616.

The previous prime is 12210201019. The next prime is 12210201049. The reversal of 12210201020 is 2010201221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12210200992 and 12210201010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 151082 + ... + 217361.

It is an arithmetic number, because the mean of its divisors is an integer number (1069040266).

Almost surely, 2^12210201020 is an apocalyptic number.

12210201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210201020 is an abundant number, since it is smaller than the sum of its proper divisors (13446765364).

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

12210201020 is a wasteful number, since it uses less digits than its factorization.

12210201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370109 (or 370107 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12210201020 its reverse (2010201221), we get a palindrome (14220402241).

The spelling of 12210201020 in words is "twelve billion, two hundred ten million, two hundred one thousand, twenty".