12210310032021 has 6 divisors (see below), whose sum is σ = 17637114490710. Its totient is φ = 8140206688008.

The previous prime is 12210310032013. The next prime is 12210310032119. The reversal of 12210310032021 is 12023001301221.

12210310032021 is a `hidden beast` number, since 1 + 2 + 2 + 10 + 310 + 0 + 320 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10758983847921 + 1451326184100 = 3280089^2 + 1204710^2 .

It is not a de Polignac number, because 12210310032021 - 2³ = 12210310032013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210310031985 and 12210310032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210310032001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678350557326 + ... + 678350557343.

It is an arithmetic number, because the mean of its divisors is an integer number (2939519081785).

Almost surely, 2^{12210310032021} is an apocalyptic number.

It is an amenable number.

12210310032021 is a deficient number, since it is larger than the sum of its proper divisors (5426804458689).

12210310032021 is a wasteful number, since it uses less digits than its factorization.

12210310032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356701114675 (or 1356701114672 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12210310032021 its reverse (12023001301221), we get a palindrome (24233311333242).

The spelling of 12210310032021 in words is "twelve trillion, two hundred ten billion, three hundred ten million, thirty-two thousand, twenty-one".