12901817285 has 16 divisors (see below), whose sum is σ = 18625180800. Its totient is φ = 8381330496.

The previous prime is 12901817251. The next prime is 12901817287. The reversal of 12901817285 is 58271810921.

It is not a de Polignac number, because 12901817285 - 2¹⁶ = 12901751749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901817287) 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, 9699950 + ... + 9701279.

It is an arithmetic number, because the mean of its divisors is an integer number (1164073800).

Almost surely, 2^12901817285 is an apocalyptic number.

It is an amenable number.

12901817285 is a deficient number, since it is larger than the sum of its proper divisors (5723363515).

12901817285 is a wasteful number, since it uses less digits than its factorization.

12901817285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19401260.

The product of its (nonzero) digits is 80640, while the sum is 44.

The spelling of 12901817285 in words is "twelve billion, nine hundred one million, eight hundred seventeen thousand, two hundred eighty-five".