1302002022001 has 4 divisors (see below), whose sum is σ = 1319837666212. Its totient is φ = 1284166377792.

The previous prime is 1302002021981. The next prime is 1302002022019. The reversal of 1302002022001 is 1002202002031.

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 726626675776 + 575375346225 = 852424^2 + 758535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302002022001 - 2²⁷ = 1301867804273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302002022031) 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, 8917821996 + ... + 8917822141.

It is an arithmetic number, because the mean of its divisors is an integer number (329959416553).

Almost surely, 2^{1302002022001} is an apocalyptic number.

It is an amenable number.

1302002022001 is a deficient number, since it is larger than the sum of its proper divisors (17835644211).

1302002022001 is an equidigital number, since it uses as much as digits as its factorization.

1302002022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17835644210.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1302002022001 its reverse (1002202002031), we get a palindrome (2304204024032).

The spelling of 1302002022001 in words is "one trillion, three hundred two billion, two million, twenty-two thousand, one".