12124654452 has 60 divisors (see below), whose sum is σ = 33364481920. Its totient is φ = 3828836304.

The previous prime is 12124654441. The next prime is 12124654463. The reversal of 12124654452 is 25445642121.

12124654452 is a `hidden beast` number, since 1 + 21 + 2 + 46 + 544 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (12124654441) and next prime (12124654463).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 978628 + ... + 990939.

Almost surely, 2^12124654452 is an apocalyptic number.

12124654452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12124654452 is an abundant number, since it is smaller than the sum of its proper divisors (21239827468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12124654452 is a wasteful number, since it uses less digits than its factorization.

12124654452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969602 (or 1969591 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The spelling of 12124654452 in words is "twelve billion, one hundred twenty-four million, six hundred fifty-four thousand, four hundred fifty-two".