12243870225549 has 24 divisors (see below), whose sum is σ = 17714911968000. Its totient is φ = 8149048981920.

The previous prime is 12243870225529. The next prime is 12243870225649. The reversal of 12243870225549 is 94552207834221.

It is a happy number.

12243870225549 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 3 + 8 + 70 + 2 + 25 + 549 = 666.

It is not a de Polignac number, because 12243870225549 - 2¹⁵ = 12243870192781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12243870225495 and 12243870225504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243870225529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85960012 + ... + 86102330.

It is an arithmetic number, because the mean of its divisors is an integer number (738121332000).

Almost surely, 2^{12243870225549} is an apocalyptic number.

It is an amenable number.

12243870225549 is a deficient number, since it is larger than the sum of its proper divisors (5471041742451).

12243870225549 is a wasteful number, since it uses less digits than its factorization.

12243870225549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158105 (or 158102 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 12243870225549 in words is "twelve trillion, two hundred forty-three billion, eight hundred seventy million, two hundred twenty-five thousand, five hundred forty-nine".