12200056613 has 4 divisors (see below), whose sum is σ = 12917707020. Its totient is φ = 11482406208.

The previous prime is 12200056607. The next prime is 12200056633. The reversal of 12200056613 is 31665000221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5320681249 + 6879375364 = 72943^2 + 82942^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200056613 - 2⁴ = 12200056597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200056633) 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, 358825178 + ... + 358825211.

It is an arithmetic number, because the mean of its divisors is an integer number (3229426755).

Almost surely, 2^12200056613 is an apocalyptic number.

It is an amenable number.

12200056613 is a deficient number, since it is larger than the sum of its proper divisors (717650407).

12200056613 is an equidigital number, since it uses as much as digits as its factorization.

12200056613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717650406.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12200056613 its reverse (31665000221), we get a palindrome (43865056834).

The spelling of 12200056613 in words is "twelve billion, two hundred million, fifty-six thousand, six hundred thirteen".