12252123287 has 2 divisors, whose sum is σ = 12252123288. Its totient is φ = 12252123286.

The previous prime is 12252123271. The next prime is 12252123347. The reversal of 12252123287 is 78232125221.

It is a weak prime.

It is an emirp because it is prime and its reverse (78232125221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12252123287 - 2⁴ = 12252123271 is a prime.

It is a super-2 number, since 2×12252123287² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12252123787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126061643 + 6126061644.

It is an arithmetic number, because the mean of its divisors is an integer number (6126061644).

Almost surely, 2^12252123287 is an apocalyptic number.

12252123287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252123287 is an equidigital number, since it uses as much as digits as its factorization.

12252123287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The spelling of 12252123287 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-three thousand, two hundred eighty-seven".