12020245054 has 4 divisors (see below), whose sum is σ = 18030367584. Its totient is φ = 6010122526.

The previous prime is 12020245051. The next prime is 12020245057. The reversal of 12020245054 is 45054202021.

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

It is an interprime number because it is at equal distance from previous prime (12020245051) and next prime (12020245057).

It is a super-4 number, since 4×12020245054⁴ (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020245051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005061262 + ... + 3005061265.

It is an arithmetic number, because the mean of its divisors is an integer number (4507591896).

Almost surely, 2^12020245054 is an apocalyptic number.

12020245054 is a deficient number, since it is larger than the sum of its proper divisors (6010122530).

12020245054 is an equidigital number, since it uses as much as digits as its factorization.

12020245054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010122529.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 12020245054 its reverse (45054202021), we get a palindrome (57074447075).

The spelling of 12020245054 in words is "twelve billion, twenty million, two hundred forty-five thousand, fifty-four".