1300002202121 has 4 divisors (see below), whose sum is σ = 1485716802432. Its totient is φ = 1114287601812.

The previous prime is 1300002202097. The next prime is 1300002202133. The reversal of 1300002202121 is 1212022000031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1300002202121 - 2¹⁴ = 1300002185737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300002202096 and 1300002202105.

It is not an unprimeable number, because it can be changed into a prime (1300002204121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92857300145 + ... + 92857300158.

It is an arithmetic number, because the mean of its divisors is an integer number (371429200608).

Almost surely, 2^{1300002202121} is an apocalyptic number.

It is an amenable number.

1300002202121 is a deficient number, since it is larger than the sum of its proper divisors (185714600311).

1300002202121 is an equidigital number, since it uses as much as digits as its factorization.

1300002202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185714600310.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1300002202121 its reverse (1212022000031), we get a palindrome (2512024202152).

The spelling of 1300002202121 in words is "one trillion, three hundred billion, two million, two hundred two thousand, one hundred twenty-one".