1204212230123 has 16 divisors (see below), whose sum is σ = 1413803353536. Its totient is φ = 1004153948160.

The previous prime is 1204212230077. The next prime is 1204212230213. The reversal of 1204212230123 is 3210322124021.

It is a cyclic number.

It is not a de Polignac number, because 1204212230123 - 2¹⁸ = 1204211967979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204212230723) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5841836 + ... + 6044457.

It is an arithmetic number, because the mean of its divisors is an integer number (88362709596).

Almost surely, 2^{1204212230123} is an apocalyptic number.

1204212230123 is a deficient number, since it is larger than the sum of its proper divisors (209591123413).

1204212230123 is a wasteful number, since it uses less digits than its factorization.

1204212230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11886694.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1204212230123 its reverse (3210322124021), we get a palindrome (4414534354144).

The spelling of 1204212230123 in words is "one trillion, two hundred four billion, two hundred twelve million, two hundred thirty thousand, one hundred twenty-three".