12030054434021 has 4 divisors (see below), whose sum is σ = 12955443236652. Its totient is φ = 11104665631392.

The previous prime is 12030054434003. The next prime is 12030054434023. The reversal of 12030054434021 is 12043445003021.

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 975825889921 + 11054228544100 = 987839^2 + 3324790^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12030054434021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030054434023) 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, 462694401296 + ... + 462694401321.

It is an arithmetic number, because the mean of its divisors is an integer number (3238860809163).

Almost surely, 2^{12030054434021} is an apocalyptic number.

It is an amenable number.

12030054434021 is a deficient number, since it is larger than the sum of its proper divisors (925388802631).

12030054434021 is an equidigital number, since it uses as much as digits as its factorization.

12030054434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925388802630.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 12030054434021 its reverse (12043445003021), we get a palindrome (24073499437042).

The spelling of 12030054434021 in words is "twelve trillion, thirty billion, fifty-four million, four hundred thirty-four thousand, twenty-one".