12012405245 has 8 divisors (see below), whose sum is σ = 15173564640. Its totient is φ = 9104138640.

The previous prime is 12012405227. The next prime is 12012405257. The reversal of 12012405245 is 54250421021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12012405245 - 2¹⁶ = 12012339709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63223091 + ... + 63223280.

It is an arithmetic number, because the mean of its divisors is an integer number (1896695580).

Almost surely, 2^12012405245 is an apocalyptic number.

It is an amenable number.

12012405245 is a deficient number, since it is larger than the sum of its proper divisors (3161159395).

12012405245 is a wasteful number, since it uses less digits than its factorization.

12012405245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126446395.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 12012405245 its reverse (54250421021), we get a palindrome (66262826266).

The spelling of 12012405245 in words is "twelve billion, twelve million, four hundred five thousand, two hundred forty-five".