12912380117049 has 16 divisors (see below), whose sum is σ = 19678147020800. Its totient is φ = 7377700715280.

The previous prime is 12912380117029. The next prime is 12912380117101. The reversal of 12912380117049 is 94071108321921.

12912380117049 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 12912380117049 - 2⁵ = 12912380117017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12912380116989 and 12912380117007.

It is not an unprimeable number, because it can be changed into a prime (12912380117029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33227587 + ... + 33613944.

It is an arithmetic number, because the mean of its divisors is an integer number (1229884188800).

Almost surely, 2^{12912380117049} is an apocalyptic number.

It is an amenable number.

12912380117049 is a deficient number, since it is larger than the sum of its proper divisors (6765766903751).

12912380117049 is an equidigital number, since it uses as much as digits as its factorization.

12912380117049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66850740.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 12912380117049 in words is "twelve trillion, nine hundred twelve billion, three hundred eighty million, one hundred seventeen thousand, forty-nine".