12454445534212 has 24 divisors (see below), whose sum is σ = 23778871401600. Its totient is φ = 5660587164960.

The previous prime is 12454445534203. The next prime is 12454445534221. The reversal of 12454445534212 is 21243554445421.

It is an interprime number because it is at equal distance from previous prime (12454445534203) and next prime (12454445534221).

It is a super-2 number, since 2×12454445534212² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12630483 + ... + 13580794.

It is an arithmetic number, because the mean of its divisors is an integer number (990786308400).

Almost surely, 2^{12454445534212} is an apocalyptic number.

It is an amenable number.

12454445534212 is a deficient number, since it is larger than the sum of its proper divisors (11324425867388).

12454445534212 is a wasteful number, since it uses less digits than its factorization.

12454445534212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26222091 (or 26222089 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 46.

Adding to 12454445534212 its reverse (21243554445421), we get a palindrome (33697999979633).

The spelling of 12454445534212 in words is "twelve trillion, four hundred fifty-four billion, four hundred forty-five million, five hundred thirty-four thousand, two hundred twelve".