1302442204421 has 4 divisors (see below), whose sum is σ = 1302445578732. Its totient is φ = 1302438830112.

The previous prime is 1302442204417. The next prime is 1302442204487. The reversal of 1302442204421 is 1244022442031.

It is a happy number.

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 713062024900 + 589380179521 = 844430^2 + 767711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302442204421 - 2² = 1302442204417 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 (1302492204421) 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, 1020320 + ... + 1909433.

It is an arithmetic number, because the mean of its divisors is an integer number (325611394683).

Almost surely, 2^{1302442204421} is an apocalyptic number.

It is an amenable number.

1302442204421 is a deficient number, since it is larger than the sum of its proper divisors (3374311).

1302442204421 is an equidigital number, since it uses as much as digits as its factorization.

1302442204421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374310.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1302442204421 its reverse (1244022442031), we get a palindrome (2546464646452).

The spelling of 1302442204421 in words is "one trillion, three hundred two billion, four hundred forty-two million, two hundred four thousand, four hundred twenty-one".