12900512147 has 4 divisors (see below), whose sum is σ = 12906910056. Its totient is φ = 12894114240.

The previous prime is 12900512129. The next prime is 12900512153. The reversal of 12900512147 is 74121500921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12900512147 - 2⁸ = 12900511891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12900512447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3195929 + ... + 3199962.

It is an arithmetic number, because the mean of its divisors is an integer number (3226727514).

Almost surely, 2^12900512147 is an apocalyptic number.

12900512147 is a deficient number, since it is larger than the sum of its proper divisors (6397909).

12900512147 is an equidigital number, since it uses as much as digits as its factorization.

12900512147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397908.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 12900512147 in words is "twelve billion, nine hundred million, five hundred twelve thousand, one hundred forty-seven".