12302212123 has 4 divisors (see below), whose sum is σ = 12380570320. Its totient is φ = 12223853928.

The previous prime is 12302212121. The next prime is 12302212141. The reversal of 12302212123 is 32121220321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32121220321 = 124567 ⋅257863.

It is a cyclic number.

It is not a de Polignac number, because 12302212123 - 2¹ = 12302212121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12302212123.

It is not an unprimeable number, because it can be changed into a prime (12302212121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39178863 + ... + 39179176.

It is an arithmetic number, because the mean of its divisors is an integer number (3095142580).

Almost surely, 2^12302212123 is an apocalyptic number.

12302212123 is a deficient number, since it is larger than the sum of its proper divisors (78358197).

12302212123 is an equidigital number, since it uses as much as digits as its factorization.

12302212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78358196.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12302212123 its reverse (32121220321), we get a palindrome (44423432444).

The spelling of 12302212123 in words is "twelve billion, three hundred two million, two hundred twelve thousand, one hundred twenty-three".