12320134134 has 32 divisors (see below), whose sum is σ = 30720335616. Its totient is φ = 3200034720.

The previous prime is 12320134103. The next prime is 12320134217. The reversal of 12320134134 is 43143102321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13333017 + ... + 13333940.

It is an arithmetic number, because the mean of its divisors is an integer number (960010488).

Almost surely, 2^12320134134 is an apocalyptic number.

12320134134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12320134134 is an abundant number, since it is smaller than the sum of its proper divisors (18400201482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12320134134 is a wasteful number, since it uses less digits than its factorization.

12320134134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26666980.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12320134134 its reverse (43143102321), we get a palindrome (55463236455).

The spelling of 12320134134 in words is "twelve billion, three hundred twenty million, one hundred thirty-four thousand, one hundred thirty-four".