12501351223 has 2 divisors, whose sum is σ = 12501351224. Its totient is φ = 12501351222.

The previous prime is 12501351221. The next prime is 12501351227. The reversal of 12501351223 is 32215310521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12501351223 - 2¹ = 12501351221 is a prime.

Together with 12501351221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12501351221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250675611 + 6250675612.

It is an arithmetic number, because the mean of its divisors is an integer number (6250675612).

Almost surely, 2^12501351223 is an apocalyptic number.

12501351223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501351223 is an equidigital number, since it uses as much as digits as its factorization.

12501351223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 12501351223 its reverse (32215310521), we get a palindrome (44716661744).

The spelling of 12501351223 in words is "twelve billion, five hundred one million, three hundred fifty-one thousand, two hundred twenty-three".