12479410479921 has 144 divisors (see below), whose sum is σ = 21368394157824. Its totient is φ = 6454546560000.

The previous prime is 12479410479901. The next prime is 12479410479971. The reversal of 12479410479921 is 12997401497421.

It is not a de Polignac number, because 12479410479921 - 2⁶ = 12479410479857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12479410479901) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4455339721 + ... + 4455342521.

It is an arithmetic number, because the mean of its divisors is an integer number (148391626096).

Almost surely, 2^{12479410479921} is an apocalyptic number.

12479410479921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12479410479921 is a deficient number, since it is larger than the sum of its proper divisors (8888983677903).

12479410479921 is a wasteful number, since it uses less digits than its factorization.

12479410479921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844 (or 3826 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 60.

The spelling of 12479410479921 in words is "twelve trillion, four hundred seventy-nine billion, four hundred ten million, four hundred seventy-nine thousand, nine hundred twenty-one".