12012024001 has 4 divisors (see below), whose sum is σ = 12058763652. Its totient is φ = 11965284352.

The previous prime is 12012023951. The next prime is 12012024007. The reversal of 12012024001 is 10042021021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10042021021 = 193 ⋅52031197.

It can be written as a sum of positive squares in 2 ways, for example, as 10368126976 + 1643897025 = 101824^2 + 40545^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012024001 - 2²⁷ = 11877806273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12012024007) 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, 23369440 + ... + 23369953.

It is an arithmetic number, because the mean of its divisors is an integer number (3014690913).

Almost surely, 2^12012024001 is an apocalyptic number.

It is an amenable number.

12012024001 is a deficient number, since it is larger than the sum of its proper divisors (46739651).

12012024001 is an equidigital number, since it uses as much as digits as its factorization.

12012024001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46739650.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12012024001 its reverse (10042021021), we get a palindrome (22054045022).

It can be divided in two parts, 1201 and 2024001, that added together give a palindrome (2025202).

The spelling of 12012024001 in words is "twelve billion, twelve million, twenty-four thousand, one".