12500002245 has 24 divisors (see below), whose sum is σ = 21108046176. Its totient is φ = 6315787872.

The previous prime is 12500002241. The next prime is 12500002343. The reversal of 12500002245 is 54220000521.

It is a happy number.

It is not a de Polignac number, because 12500002245 - 2² = 12500002241 is a prime.

It is a super-2 number, since 2×12500002245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500002241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1148787 + ... + 1159616.

It is an arithmetic number, because the mean of its divisors is an integer number (879501924).

Almost surely, 2^12500002245 is an apocalyptic number.

12500002245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12500002245 is a deficient number, since it is larger than the sum of its proper divisors (8608043931).

12500002245 is a wasteful number, since it uses less digits than its factorization.

12500002245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308449 (or 2308430 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

Adding to 12500002245 its reverse (54220000521), we get a palindrome (66720002766).

The spelling of 12500002245 in words is "twelve billion, five hundred million, two thousand, two hundred forty-five".