12121250725326 has 8 divisors (see below), whose sum is σ = 24242501450664. Its totient is φ = 4040416908440.

The previous prime is 12121250725301. The next prime is 12121250725327. The reversal of 12121250725326 is 62352705212121.

It is a happy number.

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

12121250725326 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121250725327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010104227105 + ... + 1010104227116.

It is an arithmetic number, because the mean of its divisors is an integer number (3030312681333).

Almost surely, 2^{12121250725326} is an apocalyptic number.

12121250725326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12121250725326 is a wasteful number, since it uses less digits than its factorization.

12121250725326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020208454226.

The product of its (nonzero) digits is 100800, while the sum is 39.

Adding to 12121250725326 its reverse (62352705212121), we get a palindrome (74473955937447).

The spelling of 12121250725326 in words is "twelve trillion, one hundred twenty-one billion, two hundred fifty million, seven hundred twenty-five thousand, three hundred twenty-six".