12113143434 has 64 divisors (see below), whose sum is σ = 31196897280. Its totient is φ = 3412145520.

The previous prime is 12113143423. The next prime is 12113143447. The reversal of 12113143434 is 43434131121.

12113143434 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 314 + 343 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12113143398 and 12113143407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198834 + ... + 252509.

It is an arithmetic number, because the mean of its divisors is an integer number (487451520).

Almost surely, 2^12113143434 is an apocalyptic number.

12113143434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12113143434 is an abundant number, since it is smaller than the sum of its proper divisors (19083753846).

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

12113143434 is a wasteful number, since it uses less digits than its factorization.

12113143434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451432 (or 451426 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 12113143434 its reverse (43434131121), we get a palindrome (55547274555).

The spelling of 12113143434 in words is "twelve billion, one hundred thirteen million, one hundred forty-three thousand, four hundred thirty-four".