12480477161921 has 16 divisors (see below), whose sum is σ = 12912865190400. Its totient is φ = 12055849747200.

The previous prime is 12480477161917. The next prime is 12480477161923. The reversal of 12480477161921 is 12916177408421.

12480477161921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12480477161921 - 2² = 12480477161917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12480477161923) 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, 1912976 + ... + 5349806.

It is an arithmetic number, because the mean of its divisors is an integer number (807054074400).

Almost surely, 2^{12480477161921} is an apocalyptic number.

It is an amenable number.

12480477161921 is a deficient number, since it is larger than the sum of its proper divisors (432388028479).

12480477161921 is a wasteful number, since it uses less digits than its factorization.

12480477161921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437960.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 12480477161921 in words is "twelve trillion, four hundred eighty billion, four hundred seventy-seven million, one hundred sixty-one thousand, nine hundred twenty-one".