12221211330023 has 16 divisors (see below), whose sum is σ = 12973976439840. Its totient is φ = 11472212361216.

The previous prime is 12221211330017. The next prime is 12221211330037. The reversal of 12221211330023 is 32003311212221.

It is not a de Polignac number, because 12221211330023 - 2¹⁰ = 12221211328999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221211332023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263723111 + ... + 263769447.

It is an arithmetic number, because the mean of its divisors is an integer number (810873527490).

Almost surely, 2^{12221211330023} is an apocalyptic number.

12221211330023 is a deficient number, since it is larger than the sum of its proper divisors (752765109817).

12221211330023 is a wasteful number, since it uses less digits than its factorization.

12221211330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86626.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12221211330023 its reverse (32003311212221), we get a palindrome (44224522542244).

The spelling of 12221211330023 in words is "twelve trillion, two hundred twenty-one billion, two hundred eleven million, three hundred thirty thousand, twenty-three".