12252123379 has 2 divisors, whose sum is σ = 12252123380. Its totient is φ = 12252123378.

The previous prime is 12252123347. The next prime is 12252123383. The reversal of 12252123379 is 97332125221.

It is a strong prime.

It is an emirp because it is prime and its reverse (97332125221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12252123379 - 2⁵ = 12252123347 is a prime.

It is a super-2 number, since 2×12252123379² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12252123179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6126061689 + 6126061690.

It is an arithmetic number, because the mean of its divisors is an integer number (6126061690).

Almost surely, 2^12252123379 is an apocalyptic number.

12252123379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12252123379 is an equidigital number, since it uses as much as digits as its factorization.

12252123379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The spelling of 12252123379 in words is "twelve billion, two hundred fifty-two million, one hundred twenty-three thousand, three hundred seventy-nine".