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12080635201 = 39313073171
BaseRepresentation
bin10110100000000111…
…11101110101000001
31011011220211212001101
423100003331311001
5144220120311301
65314425534401
7605240463535
oct132003756501
934156755041
1012080635201
11513a227038
122411944401
1311a6a8806b
1482860bbc5
154aa89c701
hex2d00fdd41

12080635201 has 4 divisors (see below), whose sum is σ = 12083712304. Its totient is φ = 12077558100.

The previous prime is 12080635163. The next prime is 12080635213. The reversal of 12080635201 is 10253608021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10253608021 = 17603153413.

It is a cyclic number.

It is not a de Polignac number, because 12080635201 - 29 = 12080634689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12080635201.

It is not an unprimeable number, because it can be changed into a prime (12080635601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1532655 + ... + 1540516.

It is an arithmetic number, because the mean of its divisors is an integer number (3020928076).

Almost surely, 212080635201 is an apocalyptic number.

It is an amenable number.

12080635201 is a deficient number, since it is larger than the sum of its proper divisors (3077103).

12080635201 is an equidigital number, since it uses as much as digits as its factorization.

12080635201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077102.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 12080635201 in words is "twelve billion, eighty million, six hundred thirty-five thousand, two hundred one".

Divisors: 1 3931 3073171 12080635201