12221130223210 has 32 divisors (see below), whose sum is σ = 23306621812560. Its totient is φ = 4598015020032.

The previous prime is 12221130223157. The next prime is 12221130223271. The reversal of 12221130223210 is 1232203112221.

It can be written as a sum of positive squares in 8 ways, for example, as 6837602644161 + 5383527579049 = 2614881^2 + 2320243^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22236025 + ... + 22779004.

Almost surely, 2^{12221130223210} is an apocalyptic number.

12221130223210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221130223210 is a deficient number, since it is larger than the sum of its proper divisors (11085491589350).

12221130223210 is a wasteful number, since it uses less digits than its factorization.

12221130223210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45016650.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12221130223210 its reverse (1232203112221), we get a palindrome (13453333335431).

The spelling of 12221130223210 in words is "twelve trillion, two hundred twenty-one billion, one hundred thirty million, two hundred twenty-three thousand, two hundred ten".