12908276121 has 32 divisors (see below), whose sum is σ = 18654225408. Its totient is φ = 7892619840.

The previous prime is 12908276113. The next prime is 12908276141. The reversal of 12908276121 is 12167280921.

It is not a de Polignac number, because 12908276121 - 2³ = 12908276113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 12908276121.

It is not an unprimeable number, because it can be changed into a prime (12908276141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4207230 + ... + 4210296.

It is an arithmetic number, because the mean of its divisors is an integer number (582944544).

Almost surely, 2^12908276121 is an apocalyptic number.

It is an amenable number.

12908276121 is a deficient number, since it is larger than the sum of its proper divisors (5745949287).

12908276121 is a wasteful number, since it uses less digits than its factorization.

12908276121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 12908276121 in words is "twelve billion, nine hundred eight million, two hundred seventy-six thousand, one hundred twenty-one".