12872361601 has 16 divisors (see below), whose sum is σ = 14504214528. Its totient is φ = 11317899600.

The previous prime is 12872361587. The next prime is 12872361617. The reversal of 12872361601 is 10616327821.

It is a cyclic number.

It is not a de Polignac number, because 12872361601 - 2²⁵ = 12838807169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12872361001) 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, 611290 + ... + 631996.

It is an arithmetic number, because the mean of its divisors is an integer number (906513408).

Almost surely, 2^12872361601 is an apocalyptic number.

12872361601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12872361601 is a deficient number, since it is larger than the sum of its proper divisors (1631852927).

12872361601 is a wasteful number, since it uses less digits than its factorization.

12872361601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22572.

The product of its (nonzero) digits is 24192, while the sum is 37.

It can be divided in two parts, 12872 and 361601, that added together give a palindrome (374473).

The spelling of 12872361601 in words is "twelve billion, eight hundred seventy-two million, three hundred sixty-one thousand, six hundred one".