12202044451 has 4 divisors (see below), whose sum is σ = 12373904304. Its totient is φ = 12030184600.

The previous prime is 12202044443. The next prime is 12202044469. The reversal of 12202044451 is 15444020221.

12202044451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12202044451 - 2³ = 12202044443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12202044401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85929820 + ... + 85929961.

It is an arithmetic number, because the mean of its divisors is an integer number (3093476076).

Almost surely, 2^12202044451 is an apocalyptic number.

12202044451 is a deficient number, since it is larger than the sum of its proper divisors (171859853).

12202044451 is an equidigital number, since it uses as much as digits as its factorization.

12202044451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171859852.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 12202044451 its reverse (15444020221), we get a palindrome (27646064672).

The spelling of 12202044451 in words is "twelve billion, two hundred two million, forty-four thousand, four hundred fifty-one".