12258111214 has 4 divisors (see below), whose sum is σ = 18387166824. Its totient is φ = 6129055606.

The previous prime is 12258111199. The next prime is 12258111227. The reversal of 12258111214 is 41211185221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41211185221 = 421 ⋅97888801.

It is a super-2 number, since 2×12258111214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064527802 + ... + 3064527805.

It is an arithmetic number, because the mean of its divisors is an integer number (4596791706).

Almost surely, 2^12258111214 is an apocalyptic number.

12258111214 is a deficient number, since it is larger than the sum of its proper divisors (6129055610).

12258111214 is an equidigital number, since it uses as much as digits as its factorization.

12258111214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129055609.

The product of its digits is 1280, while the sum is 28.

Adding to 12258111214 its reverse (41211185221), we get a palindrome (53469296435).

The spelling of 12258111214 in words is "twelve billion, two hundred fifty-eight million, one hundred eleven thousand, two hundred fourteen".