12901226009 has 16 divisors (see below), whose sum is σ = 15139063296. Its totient is φ = 10763347200.

The previous prime is 12901226003. The next prime is 12901226089. The reversal of 12901226009 is 90062210921.

It is a cyclic number.

It is not a de Polignac number, because 12901226009 - 2²⁸ = 12632790553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12901226003) 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, 71549 + ... + 175845.

It is an arithmetic number, because the mean of its divisors is an integer number (946191456).

Almost surely, 2^12901226009 is an apocalyptic number.

It is an amenable number.

12901226009 is a deficient number, since it is larger than the sum of its proper divisors (2237837287).

12901226009 is a wasteful number, since it uses less digits than its factorization.

12901226009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104776.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 12901226009 in words is "twelve billion, nine hundred one million, two hundred twenty-six thousand, nine".