12728602101 has 8 divisors (see below), whose sum is σ = 17430157984. Its totient is φ = 8256390480.

The previous prime is 12728602093. The next prime is 12728602127. The reversal of 12728602101 is 10120682721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12728602101 - 2³ = 12728602093 is a prime.

It is a super-2 number, since 2×12728602101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728602141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57335935 + ... + 57336156.

It is an arithmetic number, because the mean of its divisors is an integer number (2178769748).

Almost surely, 2^12728602101 is an apocalyptic number.

It is an amenable number.

12728602101 is a deficient number, since it is larger than the sum of its proper divisors (4701555883).

12728602101 is a wasteful number, since it uses less digits than its factorization.

12728602101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114672131.

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 12728602101 in words is "twelve billion, seven hundred twenty-eight million, six hundred two thousand, one hundred one".