12134201122420 has 24 divisors (see below), whose sum is σ = 27441962538984. Its totient is φ = 4480320414336.

The previous prime is 12134201122357. The next prime is 12134201122423. The reversal of 12134201122420 is 2422110243121.

It can be written as a sum of positive squares in 4 ways, for example, as 1467262225636 + 10666938896784 = 1211306^2 + 3266028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12134201122423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23335001899 + ... + 23335002418.

It is an arithmetic number, because the mean of its divisors is an integer number (1143415105791).

Almost surely, 2^{12134201122420} is an apocalyptic number.

12134201122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12134201122420 is an abundant number, since it is smaller than the sum of its proper divisors (15307761416564).

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

12134201122420 is a wasteful number, since it uses less digits than its factorization.

12134201122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46670004339 (or 46670004337 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12134201122420 its reverse (2422110243121), we get a palindrome (14556311365541).

The spelling of 12134201122420 in words is "twelve trillion, one hundred thirty-four billion, two hundred one million, one hundred twenty-two thousand, four hundred twenty".