12334567381 has 2 divisors, whose sum is σ = 12334567382. Its totient is φ = 12334567380.

The previous prime is 12334567369. The next prime is 12334567391. The reversal of 12334567381 is 18376543321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11568938481 + 765628900 = 107559^2 + 27670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12334567381 is a prime.

It is a super-2 number, since 2×12334567381² (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 (12334567331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6167283690 + 6167283691.

It is an arithmetic number, because the mean of its divisors is an integer number (6167283691).

Almost surely, 2^12334567381 is an apocalyptic number.

It is an amenable number.

12334567381 is a deficient number, since it is larger than the sum of its proper divisors (1).

12334567381 is an equidigital number, since it uses as much as digits as its factorization.

12334567381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The spelling of 12334567381 in words is "twelve billion, three hundred thirty-four million, five hundred sixty-seven thousand, three hundred eighty-one".