12125042034 has 64 divisors (see below), whose sum is σ = 28269990144. Its totient is φ = 3394999296.

The previous prime is 12125042023. The next prime is 12125042051. The reversal of 12125042034 is 43024052121.

It is a junction number, because it is equal to n+sod(n) for n = 12125041995 and 12125042013.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 2296822 + ... + 2302094.

It is an arithmetic number, because the mean of its divisors is an integer number (441718596).

Almost surely, 2^12125042034 is an apocalyptic number.

12125042034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12125042034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14134995072).

12125042034 is an abundant number, since it is smaller than the sum of its proper divisors (16144948110).

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

12125042034 is a wasteful number, since it uses less digits than its factorization.

12125042034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 12125042034 its reverse (43024052121), we get a palindrome (55149094155).

The spelling of 12125042034 in words is "twelve billion, one hundred twenty-five million, forty-two thousand, thirty-four".