12901439277 has 24 divisors (see below), whose sum is σ = 18870104448. Its totient is φ = 8493206400.

The previous prime is 12901439273. The next prime is 12901439359. The reversal of 12901439277 is 77293410921.

12901439277 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 12901439277 - 2² = 12901439273 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901439273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252202 + ... + 299012.

It is an arithmetic number, because the mean of its divisors is an integer number (786254352).

Almost surely, 2^12901439277 is an apocalyptic number.

It is an amenable number.

12901439277 is a deficient number, since it is larger than the sum of its proper divisors (5968665171).

12901439277 is a wasteful number, since it uses less digits than its factorization.

12901439277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47201 (or 47198 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 12901439277 in words is "twelve billion, nine hundred one million, four hundred thirty-nine thousand, two hundred seventy-seven".