1230213144321 has 24 divisors (see below), whose sum is σ = 2031870235200. Its totient is φ = 702618182496.

The previous prime is 1230213144319. The next prime is 1230213144331. The reversal of 1230213144321 is 1234413120321.

1230213144321 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 21 + 314 + 4 + 321 = 666.

It is not a de Polignac number, because 1230213144321 - 2¹ = 1230213144319 is a prime.

It is a super-3 number, since 3×1230213144321³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1230213144331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4886755 + ... + 5132328.

It is an arithmetic number, because the mean of its divisors is an integer number (84661259800).

Almost surely, 2^{1230213144321} is an apocalyptic number.

It is an amenable number.

1230213144321 is a deficient number, since it is larger than the sum of its proper divisors (801657090879).

1230213144321 is a wasteful number, since it uses less digits than its factorization.

1230213144321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021045 (or 10021042 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1230213144321 its reverse (1234413120321), we get a palindrome (2464626264642).

The spelling of 1230213144321 in words is "one trillion, two hundred thirty billion, two hundred thirteen million, one hundred forty-four thousand, three hundred twenty-one".