12221034023 has 16 divisors (see below), whose sum is σ = 14041184640. Its totient is φ = 10519696800.

The previous prime is 12221034011. The next prime is 12221034079. The reversal of 12221034023 is 32043012221.

It is a cyclic number.

It is not a de Polignac number, because 12221034023 - 2¹⁸ = 12220771879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221033986 and 12221034004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221034523) 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, 405761 + ... + 434837.

It is an arithmetic number, because the mean of its divisors is an integer number (877574040).

Almost surely, 2^12221034023 is an apocalyptic number.

12221034023 is a deficient number, since it is larger than the sum of its proper divisors (1820150617).

12221034023 is a wasteful number, since it uses less digits than its factorization.

12221034023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31118.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12221034023 its reverse (32043012221), we get a palindrome (44264046244).

The spelling of 12221034023 in words is "twelve billion, two hundred twenty-one million, thirty-four thousand, twenty-three".