12421244032345 has 16 divisors (see below), whose sum is σ = 14910936872832. Its totient is φ = 9933366407040.

The previous prime is 12421244032283. The next prime is 12421244032357. The reversal of 12421244032345 is 54323044212421.

12421244032345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12421244032345 - 2³¹ = 12419096548697 is a prime.

It is a super-2 number, since 2×12421244032345² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248434669 + ... + 248484661.

It is an arithmetic number, because the mean of its divisors is an integer number (931933554552).

Almost surely, 2^{12421244032345} is an apocalyptic number.

It is an amenable number.

12421244032345 is a deficient number, since it is larger than the sum of its proper divisors (2489692840487).

12421244032345 is a wasteful number, since it uses less digits than its factorization.

12421244032345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67152.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 12421244032345 its reverse (54323044212421), we get a palindrome (66744288244766).

The spelling of 12421244032345 in words is "twelve trillion, four hundred twenty-one billion, two hundred forty-four million, thirty-two thousand, three hundred forty-five".