12221454023 has 8 divisors (see below), whose sum is σ = 12518838288. Its totient is φ = 11924668224.

The previous prime is 12221453989. The next prime is 12221454029. The reversal of 12221454023 is 32045412221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221454023 - 2¹² = 12221449927 is a prime.

It is a super-3 number, since 3×12221454023³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221453983 and 12221454001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221454029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108140 + ... + 190097.

It is an arithmetic number, because the mean of its divisors is an integer number (1564854786).

Almost surely, 2^12221454023 is an apocalyptic number.

12221454023 is a deficient number, since it is larger than the sum of its proper divisors (297384265).

12221454023 is an equidigital number, since it uses as much as digits as its factorization.

12221454023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299233.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12221454023 its reverse (32045412221), we get a palindrome (44266866244).

The spelling of 12221454023 in words is "twelve billion, two hundred twenty-one million, four hundred fifty-four thousand, twenty-three".