12023001301221 has 24 divisors (see below), whose sum is σ = 17495730252000. Its totient is φ = 7955743892832.

The previous prime is 12023001301187. The next prime is 12023001301261. The reversal of 12023001301221 is 12210310032021.

12023001301221 is a `hidden beast` number, since 1 + 202 + 300 + 130 + 12 + 21 = 666.

It is not a de Polignac number, because 12023001301221 - 2²³ = 12022992912613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12023001301194 and 12023001301203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023001301261) 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 23 ways as a sum of consecutive naturals, for example, 4016895 + ... + 6338883.

It is an arithmetic number, because the mean of its divisors is an integer number (728988760500).

Almost surely, 2^{12023001301221} is an apocalyptic number.

It is an amenable number.

12023001301221 is a deficient number, since it is larger than the sum of its proper divisors (5472728950779).

12023001301221 is a wasteful number, since it uses less digits than its factorization.

12023001301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326273 (or 2326270 counting only the distinct ones).

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

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

The spelling of 12023001301221 in words is "twelve trillion, twenty-three billion, one million, three hundred one thousand, two hundred twenty-one".