12030310110121 has 4 divisors (see below), whose sum is σ = 12030635176452. Its totient is φ = 12029985043792.

The previous prime is 12030310110079. The next prime is 12030310110127. The reversal of 12030310110121 is 12101101303021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8610492084496 + 3419818025625 = 2934364^2 + 1849275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12030310110121 - 2⁴¹ = 9831286854569 is a prime.

It is a super-2 number, since 2×12030310110121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12030310110095 and 12030310110104.

It is not an unprimeable number, because it can be changed into a prime (12030310110127) 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, 162477646 + ... + 162551671.

It is an arithmetic number, because the mean of its divisors is an integer number (3007658794113).

Almost surely, 2^{12030310110121} is an apocalyptic number.

It is an amenable number.

12030310110121 is a deficient number, since it is larger than the sum of its proper divisors (325066331).

12030310110121 is an equidigital number, since it uses as much as digits as its factorization.

12030310110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325066330.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12030310110121 its reverse (12101101303021), we get a palindrome (24131411413142).

The spelling of 12030310110121 in words is "twelve trillion, thirty billion, three hundred ten million, one hundred ten thousand, one hundred twenty-one".