12020425305445 has 8 divisors (see below), whose sum is σ = 14425480562040. Its totient is φ = 9615693447360.

The previous prime is 12020425305419. The next prime is 12020425305457. The reversal of 12020425305445 is 54450352402021.

It can be written as a sum of positive squares in 4 ways, for example, as 587580505444 + 11432844800001 = 766538^2 + 3381249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020425305445 - 2¹³ = 12020425297253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80767846 + ... + 80916535.

It is an arithmetic number, because the mean of its divisors is an integer number (1803185070255).

Almost surely, 2^{12020425305445} is an apocalyptic number.

It is an amenable number.

12020425305445 is a deficient number, since it is larger than the sum of its proper divisors (2405055256595).

12020425305445 is a wasteful number, since it uses less digits than its factorization.

12020425305445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161699255.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 12020425305445 its reverse (54450352402021), we get a palindrome (66470777707466).

The spelling of 12020425305445 in words is "twelve trillion, twenty billion, four hundred twenty-five million, three hundred five thousand, four hundred forty-five".