12125445430332 has 48 divisors (see below), whose sum is σ = 30469820949792. Its totient is φ = 3730814088960.

The previous prime is 12125445430331. The next prime is 12125445430403. The reversal of 12125445430332 is 23303454452121.

It is a happy number.

12125445430332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125445430331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511982 + ... + 7391402.

It is an arithmetic number, because the mean of its divisors is an integer number (634787936454).

Almost surely, 2^{12125445430332} is an apocalyptic number.

12125445430332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12125445430332 is an abundant number, since it is smaller than the sum of its proper divisors (18344375519460).

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

12125445430332 is a wasteful number, since it uses less digits than its factorization.

12125445430332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920798 (or 1920796 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 12125445430332 its reverse (23303454452121), we get a palindrome (35428899882453).

The spelling of 12125445430332 in words is "twelve trillion, one hundred twenty-five billion, four hundred forty-five million, four hundred thirty thousand, three hundred thirty-two".