12736656201 has 16 divisors (see below), whose sum is σ = 17406259200. Its totient is φ = 8279740560.

The previous prime is 12736656199. The next prime is 12736656221. The reversal of 12736656201 is 10265663721.

It is not a de Polignac number, because 12736656201 - 2¹ = 12736656199 is a prime.

It is a super-2 number, since 2×12736656201² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12736656201.

It is not an unprimeable number, because it can be changed into a prime (12736656221) 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, 5145 + ... + 159686.

It is an arithmetic number, because the mean of its divisors is an integer number (1087891200).

Almost surely, 2^12736656201 is an apocalyptic number.

It is an amenable number.

12736656201 is a deficient number, since it is larger than the sum of its proper divisors (4669602999).

12736656201 is a wasteful number, since it uses less digits than its factorization.

12736656201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165476.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 12736656201 in words is "twelve billion, seven hundred thirty-six million, six hundred fifty-six thousand, two hundred one".