12245550100213 has 4 divisors (see below), whose sum is σ = 12245562398188. Its totient is φ = 12245537802240.

The previous prime is 12245550100187. The next prime is 12245550100219. The reversal of 12245550100213 is 31200105554221.

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 7924776749604 + 4320773350609 = 2815098^2 + 2078647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12245550100213 is a prime.

It is a super-2 number, since 2×12245550100213² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245550100219) 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, 4509708 + ... + 6695413.

It is an arithmetic number, because the mean of its divisors is an integer number (3061390599547).

Almost surely, 2^{12245550100213} is an apocalyptic number.

It is an amenable number.

12245550100213 is a deficient number, since it is larger than the sum of its proper divisors (12297975).

12245550100213 is a wasteful number, since it uses less digits than its factorization.

12245550100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12297974.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 12245550100213 its reverse (31200105554221), we get a palindrome (43445655654434).

The spelling of 12245550100213 in words is "twelve trillion, two hundred forty-five billion, five hundred fifty million, one hundred thousand, two hundred thirteen".