12200859561 has 8 divisors (see below), whose sum is σ = 17746704864. Its totient is φ = 7394460320.

The previous prime is 12200859533. The next prime is 12200859589. The reversal of 12200859561 is 16595800221.

It is an interprime number because it is at equal distance from previous prime (12200859533) and next prime (12200859589).

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

It is a cyclic number.

It is not a de Polignac number, because 12200859561 - 2²¹ = 12198762409 is a prime.

It is a super-2 number, since 2×12200859561² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12200857561) 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, 184861476 + ... + 184861541.

It is an arithmetic number, because the mean of its divisors is an integer number (2218338108).

Almost surely, 2^12200859561 is an apocalyptic number.

12200859561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12200859561 is a deficient number, since it is larger than the sum of its proper divisors (5545845303).

12200859561 is a wasteful number, since it uses less digits than its factorization.

12200859561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369723031.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 12200859561 in words is "twelve billion, two hundred million, eight hundred fifty-nine thousand, five hundred sixty-one".