12030233311121 has 4 divisors (see below), whose sum is σ = 12030526650852. Its totient is φ = 12029939971392.

The previous prime is 12030233311099. The next prime is 12030233311133. The reversal of 12030233311121 is 12111333203021.

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 5200953913600 + 6829279397521 = 2280560^2 + 2613289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12030233311121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12030233316121) 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, 146608340 + ... + 146690373.

It is an arithmetic number, because the mean of its divisors is an integer number (3007631662713).

Almost surely, 2^{12030233311121} is an apocalyptic number.

It is an amenable number.

12030233311121 is a deficient number, since it is larger than the sum of its proper divisors (293339731).

12030233311121 is an equidigital number, since it uses as much as digits as its factorization.

12030233311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293339730.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12030233311121 its reverse (12111333203021), we get a palindrome (24141566514142).

The spelling of 12030233311121 in words is "twelve trillion, thirty billion, two hundred thirty-three million, three hundred eleven thousand, one hundred twenty-one".