12021114445 has 8 divisors (see below), whose sum is σ = 14815211544. Its totient is φ = 9356975424.

The previous prime is 12021114419. The next prime is 12021114449. The reversal of 12021114445 is 54441112021.

It can be written as a sum of positive squares in 4 ways, for example, as 919120489 + 11101993956 = 30317^2 + 105366^2 .

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-12021114445 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 (12021114449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32489314 + ... + 32489683.

It is an arithmetic number, because the mean of its divisors is an integer number (1851901443).

Almost surely, 2^12021114445 is an apocalyptic number.

It is an amenable number.

12021114445 is a deficient number, since it is larger than the sum of its proper divisors (2794097099).

12021114445 is an equidigital number, since it uses as much as digits as its factorization.

12021114445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64979039.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 12021114445 its reverse (54441112021), we get a palindrome (66462226466).

The spelling of 12021114445 in words is "twelve billion, twenty-one million, one hundred fourteen thousand, four hundred forty-five".