12111430334 has 4 divisors (see below), whose sum is σ = 18167145504. Its totient is φ = 6055715166.

The previous prime is 12111430333. The next prime is 12111430361. The reversal of 12111430334 is 43303411121.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×12111430334⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111430333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3027857582 + ... + 3027857585.

It is an arithmetic number, because the mean of its divisors is an integer number (4541786376).

Almost surely, 2^12111430334 is an apocalyptic number.

12111430334 is a deficient number, since it is larger than the sum of its proper divisors (6055715170).

12111430334 is an equidigital number, since it uses as much as digits as its factorization.

12111430334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055715169.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12111430334 its reverse (43303411121), we get a palindrome (55414841455).

The spelling of 12111430334 in words is "twelve billion, one hundred eleven million, four hundred thirty thousand, three hundred thirty-four".