12250200121 has 8 divisors (see below), whose sum is σ = 12295281024. Its totient is φ = 12205156320.

The previous prime is 12250200107. The next prime is 12250200139. The reversal of 12250200121 is 12100205221.

It is a happy number.

12250200121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12250200121 is a prime.

It is a super-3 number, since 3×12250200121³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12250200095 and 12250200104.

It is not an unprimeable number, because it can be changed into a prime (12250200181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770565 + ... + 786301.

It is an arithmetic number, because the mean of its divisors is an integer number (1536910128).

Almost surely, 2^12250200121 is an apocalyptic number.

It is an amenable number.

12250200121 is a deficient number, since it is larger than the sum of its proper divisors (45080903).

12250200121 is a wasteful number, since it uses less digits than its factorization.

12250200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18551.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 12250200121 its reverse (12100205221), we get a palindrome (24350405342).

The spelling of 12250200121 in words is "twelve billion, two hundred fifty million, two hundred thousand, one hundred twenty-one".